It means your mixing services are highly depending on some crypto exchanges? A bitcoin mixing services can do marvelous level of anonymity just by having bitcoins itself and excluding any role by exchanges. Because, exchange hacks are most common these days and your customers need to pay excess fee for converting into monero and then convert back to bitcoins.

You started in January and it is already April still you need few more weeks to bring a full-fledged services? Getting fully ready must be a good practice before announcing/introducing a services here on this community. I mean your first impression should be the best one.