Give or take, how long do you wait to receive your coins? At what point do you start to become suspicious?
It depends on currency. For BTC it takes up to several days or even weeks, for ETH - up to several hours, for DGB it could be 1 min. So you need to check every coin separately for transaction time
This is
NOT TRUE. I can't talk about Bitcoin, but I receive my ETH within minutes, depending on how much I pay for it, but it has never been hours..
XRP,XRB and XLM are instant.
Verge is quite fast and anonymoust.
I used Zero and that's very fast, I only paid 0.000001ZER fee.
Other than that, I've not used anything else.