make it below 3% imo.
open to invest in the exchange BR too.
next step is opening LTC + ETH BR investment opportunity if I am not wrong?
I used to run an exchange bot on the site. I was losing money because of the exchange rate fluctuation. You're asking too much for the service being provided.
Maybe you can make it like an actual exchange when more people start using the exchange with that any fluctuations in the rate wouldn't affect the site and you can even take a percentage of fees for it