Same $100 · locked hub formulas
Stripe keeps $0.78 more on this $100 payment sketch (before COGS / monthly plan). Official first-paint from /paypal-checkout-keep/ and /stripe-keep/.
Compare / Start Shopify — keep $96.80 on $100 (Basic Payments · Impact · FTC) · planning only · compare ranker · payments compare
I get commissions for purchases made through links in this post. Compensated as a Shopify affiliate.
Official first-paint ONLY — rates locked to /paypal-checkout-keep/ (#out $96.02) and /stripe-keep/ (#out $96.80). No invented interchange / BNPL / plan bake-in. Last verified 2026-09-18.
Last verified: 2026-09-18 · Locked hubs /paypal-checkout-keep/ (#out $96.02) · /stripe-keep/ (#out $96.80) · planning only · Fee changes · live ranker
PayPal lock: 3.49%+$0.49 → KEEP = sale − 0.0349×sale − 0.49. Stripe lock: 2.9%+$0.30 → KEEP = sale − 0.029×sale − 0.30.
Reverse / target KEEP · locked hub formulas
Enter the net you want after fees. We solve the charge each locked formula needs. Same algebra as /seller-fees/break-even/. No invented fees.
Reverse: PayPal sale = (KEEP + 0.49) / 0.9651 · Stripe sale = (KEEP + 0.30) / 0.9710. Forward check on $100: PayPal $96.02 · Stripe $96.80.
Payment rails SERP pack: same charge on PayPal Checkout and Stripe using only locked KEEP hubs — not a slogan, and not an invented interchange row. On $100, PayPal KEEP is $96.02; Stripe is $96.80 (Stripe ahead by $0.78). Board: payments KEEP compare.
| Rail | Official starting fee (hub lock) | KEEP on $100 | Hub |
|---|---|---|---|
| PayPal Checkout | 3.49%+$0.49 | $96.02 | /paypal-checkout-keep/ |
| Stripe | 2.9%+$0.30 | $96.80 | /stripe-keep/ |
Winner on this $100 sketch: Stripe by $0.78 vs PayPal (processing keep — not traffic). Disclosed Shopify Impact affiliate under the card.
Formula on hub: KEEP = sale − 0.0349×sale − 0.49. Sources linked from PayPal KEEP.
Formula on hub: KEEP = sale − 0.029×sale − 0.30. Sources linked from Stripe KEEP.
PayPal Checkout KEEP $96.02 (3.49%+$0.49). Stripe KEEP $96.80 (2.9%+$0.30). Stripe keeps $0.78 more on this $100 sketch. Planning only.
Yes. First-paint only those locked official starting formulas. PayPal: KEEP = sale − 0.0349×sale − 0.49. Stripe: KEEP = sale − 0.029×sale − 0.30. No invented interchange.
No. Monthly plan / subscription opex is typed separately on hubs (default $0) and never baked into per-sale KEEP.
Not affiliated with PayPal, Stripe, or Square. Shopify Impact links are disclosed affiliates (FTC). Educational planning only. Confirm live fees in each dashboard.
Keep $96.80 on Shopify — Start Shopify (Impact · FTC) PayPal KEEP hub Stripe KEEP hub Payments compare
Break-even list price Seller fee index Payments KEEP compare Handmade Etsy vs Shopify Shopify vs Amazon PayPal KEEP $96.02 Stripe KEEP $96.80 Compare marketplaces