The Stripe fee for the US is currently 2.9% + 30¢ USD (it might change from country to country, but here is the URL for the Stripe Fees https://stripe.com/us/pricing ), even if you have TPG membership you'll still be responsible for the Stripe fees.

ACH payments on Stripe cost 0.80%

TPG takes 20% Royalty fee for every transaction processed via our platform