Sell merchant account? Now you might be thinking how much money can you make by this. Apparently a lot of money can be made, but (yes there is a but) only with proper planning and some good marketing can you succeed. You could be looking about $3000 per month with this. You should make contract with the right merchant account provider and build a good relationship with your customers – make them trust you. Most customers might want to have a trustworthy person dealing with them rather than saving a few pennies..