Good luck. Hopefully you get clear entry, exit and stop loss signals because some of the trades in their history are only open for a few minutes and in some cases a few seconds. You will have to be very nimble and close to the computer. Personally I don't think a human would be able to place the order in the time that some of their trades last.
You should ask for a discount on the price since you'll be drumming up business for them if you're successful. Don't forget to link your account to myfxbook and make it fully verified.
If you aim at nothing you will hit it every time.