on moolah i chose and send 0.5btc but on my invest btc address i see 0.4994 and haven't receive confirmation on my email. is all good?( i mean that i wrote 0.5 but send 0.4994)
You have to send .0006 more for it to complete. Depending on where you send from it will take the transaction fee off of the sending amount so it looks like a transaction fee of .0006 was taken from your withdrawal. Am I right?
yes. bter fee