It is often advisable for you to allow the trader to tell you the exact amount he expects you to invest but
Actually, I don't need to know in advance neither about deposits nor about withdraws. BTCUSD is very liquid market - I can scale in/out anytime.
if you deposit lower than that it will be considered a donation.
WTF was that?
I have to mention it because i have read about many ponzis that will consider you deposit as a donation if it is lower than their minimum deposit.