In your advertising period can you make it 0% I hope if you start with 0% fee and fluent service then you will get more users to give you backup and to make trustworthy.
There are plenty of escrows out there. I'm not forcing anyone to use me. You can use a free one or one you trust more. However, there are risks involved for the escrow, and so I am not going to be doing it for free without some additional circumstances that will certainly not apply to every case.