The risk scales with the size of the transaction. Granted, the risk does not scale at the same rate as the transaction size, but we wanted to keep it simple in the beginning.
What do you think about 1% + 30¢ with a cap?
The money is a bank account is real money after all, and once it's spent, it's gone for good. This is one reason I (and I suspect a few others) feel very uneasy connecting bank account(s) with a third party web service.
The problem with disputes on ACH debits is that the process is not formalized through a standard network like Visa or MasterCard. It's a mess operationally, and there's a near zero chance of winning the dispute. This becomes even worse because of the size of ACH transactions.
We've reduced the risk by requiring trial deposits on any bank account that you want to debit, which is also a problem for a lot of our customers.
To be clear, does this refers to the business accounts / users ? The consumers with personal accounts who dispute the charges have their way and the charging entity is left to deal with the results?
We launched payouts in February: http://techcrunch.com/2013/02/14/balanced-payments-ach-api-o...
It seems cordial and I would rather read about the two products together than in some later thread I'll probably miss.