What you pay with Stripe/Square
- 2.6–2.9% + fixed fee per transaction
- $20k/mo volume → $520–$600/mo in fees
- $100k/mo volume → $2,600–$3,000/mo
- Plus potential chargeback fees
- 2-day hold on most settlements
SideGuy Solutions
San Diego · Payment Cost Reduction
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Cost Guide
How San Diego businesses cut payment fees using Solana
stripe and Square charge 2.6–3.5% per transaction. Solana's network fee is $0.00025 — less than a quarter of a cent. Here's the practical breakdown of what that actually means for a local business.
What you pay with Solana (USDC)
- ~$0.00025 per transaction (network fee)
- $20k/mo volume → under $1 total
- Settlement is instant — typically 1–5 seconds
- No chargebacks (payments are final)
- Customer sends USDC, you receive USDC
The practical reality
- Not every customer has a crypto wallet yet
- Works best for B2B, repeat customers, tech-savvy clients
- You can convert USDC to USD same-day via exchange
- Ideal as a parallel option, not full replacement
The math for a $30k/month service business:
$780 saved every month
Stripe/Square at 2.9%: ~$870/mo in fees
Solana USDC: under $1/mo in network fees
If even 90% of customers still pay by card, routing the remaining 10% through Solana saves roughly $87/mo on that slice alone — with zero risk to the other 90%.
Solana USDC: under $1/mo in network fees
If even 90% of customers still pay by card, routing the remaining 10% through Solana saves roughly $87/mo on that slice alone — with zero risk to the other 90%.
Savings calculator — your numbers
Enter your monthly volume and what % of clients you could route through Solana USDC.
Card fees / month
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on card volume
Monthly savings
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Solana fees / month
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on routed USDC volume
USDC, not SOL. The savings come from using USDC (a dollar-pegged stablecoin) on the Solana blockchain — not from holding SOL or speculating on crypto prices. You receive dollars, customers send dollars. The blockchain is just the cheap rails.
Why Solana specifically
There are multiple blockchains that could theoretically handle payments, but Solana has two practical advantages for business use: transaction speed and transaction cost.
Transactions on Solana confirm in 1–5 seconds and cost roughly $0.00025 each. Ethereum, by comparison, can cost $1–$20+ per transaction depending on network congestion — too expensive and unpredictable for routine payments. Bitcoin is even slower and more expensive for small transactions.
Solana's throughput (65,000+ transactions per second) means it doesn't get congested under normal business load. For a business processing a few hundred payments a month, fees will remain under a dollar total regardless of market conditions.
How to get started — step by step
This covers the minimal viable setup — accepting USDC from a client and converting to USD in your bank account.
Set up a business wallet
Download Phantom or Solflare (both free, widely used). Create a wallet and save your seed phrase offline — never digitally. This takes about 5 minutes. You don't need to buy anything at this stage.
Add USDC as a token
In your wallet, search for "USDC" and add it as a tracked token. Your wallet address is a string that looks like: 7xK9...AbC3. Share this with clients as your payment address.
Add USDC payment option to your invoices
Add a line to existing invoices: "Pay via USDC on Solana: [your wallet address]". Most accounting tools (QuickBooks, Wave, FreshBooks) let you add custom payment notes. No new software needed.
Open an exchange account for conversion
Create a business account on Coinbase or Kraken. Complete their identity verification (KYC) — plan for 1–3 days. Link your business bank account. You only need to do this once.
Receive USDC → convert to USD → withdraw
When a client pays, USDC lands in your wallet within seconds. Transfer to your exchange, sell USDC for USD (zero or near-zero fee), then withdraw to your bank (1–3 business days via ACH, same as any bank transfer).
How businesses actually use this
Most San Diego businesses that use Solana payments don't replace their Stripe or Square terminal — they add it as an option. Here's the typical setup:
- B2B invoicing: Contractors, consultants, and service companies send invoices with a USDC payment option. Clients who are comfortable with crypto use it; others pay by card. No friction, no forced adoption.
- Repeat high-volume customers: A landscaping company with 20 regular commercial clients can set up USDC payment with each account once and save on every recurring invoice afterward.
- Large single transactions: The fee advantage is most obvious on large jobs. A $10,000 HVAC installation costs $290 in Stripe fees. The same payment in Solana USDC costs $0.00025.
- Field service operators: Technicians collecting payment on-site can accept USDC on a phone wallet just as easily as a card tap — and settlement is immediate.
Converting USDC back to dollars
USDC is pegged 1:1 to the US dollar. One USDC always equals one dollar. Converting to bank-account USD is a straightforward process:
- Open a business account on Coinbase, Kraken, or similar exchange
- Transfer USDC from your wallet to the exchange
- Sell USDC for USD (near-instant, no slippage)
- Withdraw USD to your bank account (1–3 business days, same as ACH)
Some businesses keep a USDC float and only convert weekly to reduce the number of bank transfers. Others convert immediately after each payment. Both approaches work. The conversion itself is free or very low cost — most exchanges charge 0% to convert USDC to USD since they make money on the spread elsewhere.
Honest limitations
This isn't the right tool for every situation. A few real constraints:
- Customer adoption: Not every customer has a crypto wallet. If your customers are primarily walk-in retail or older demographics, Solana payments won't get much use without education.
- No chargeback mechanism: Crypto payments are final. That's an advantage against fraudulent chargebacks, but it also means you can't dispute a mistake. Accurate invoicing matters more.
- Regulatory exposure: Crypto's regulatory environment in the US is still evolving. Most USDC transactions for legitimate business purposes are straightforward, but you should talk to your accountant about recording them correctly.
- Not a substitute for a POS: For high-volume retail (hundreds of transactions per day from new customers), card processing is still the right primary system.
Who this actually makes sense for
Best fit: B2B service businesses, contractors, consultants, and field operators with repeat clients and larger average ticket sizes. If you're processing $20k+/month and have even a handful of tech-comfortable clients, adding USDC as a payment option is low-effort and immediately saves money on those transactions.
Not worth the effort for: Brick-and-mortar retail with mostly new walk-in customers, businesses with average transactions under $50, or anyone who doesn't want to manage a crypto wallet.
Text PJ if you want help evaluating whether the math works for your specific volume and customer base.
Common questions
Is there volatility risk? What if USDC loses its peg?+
USDC is issued by Circle and is fully backed 1:1 by US dollars and short-term treasuries. It's one of the most regulated and audited stablecoins. The peg has held through multiple crypto bear markets. That said, no instrument is zero-risk — if you convert to bank USD quickly after receiving payment, your exposure window is minimal.
Is this taxable? How do I record USDC payments?+
Yes — USDC payments are ordinary business income, the same as card or cash. You record the USD value at the time of receipt. If you convert USDC immediately, the tax treatment is straightforward (no capital gains since USDC doesn't appreciate). Talk to your CPA if you plan to hold USDC as a balance rather than converting immediately, as holding periods and price timing can create complexity.
What if my client sends to the wrong address?+
Crypto transactions are irreversible. If a client sends USDC to a wrong address, it's very difficult to recover. Mitigate this by always copy-pasting your wallet address (never type it manually), double-checking with clients before large first payments, and sharing a QR code of your address in addition to the text string.
Does the client need crypto experience?+
Some, yes. They need a USDC wallet and a way to fund it (typically buying USDC on Coinbase or receiving it from another party). Most tech-comfortable B2B clients — especially those in tech, real estate, or finance — already have this set up. For less familiar clients, a simple one page explanation often suffices. This is not the right option for cold customers who have never touched crypto.
What about Ethereum or other blockchains?+
USDC also exists on Ethereum, but Ethereum transaction fees (gas) range from $1 to $20+ depending on network congestion — unpredictable and sometimes high enough to negate savings on small transactions. Solana's fee stability ($0.00025 per transaction regardless of network load) makes it the practical choice for business payments. Base (Coinbase's L2) is another low-fee option worth watching.
Want help setting this up?
Text PJ. Describe your monthly volume and payment mix.
We'll tell you honestly if it's worth it for your business.
({{phonePretty}}) · San Diego
We'll tell you honestly if it's worth it for your business.
({{phonePretty}}) · San Diego