When price is climbing up you will not find a single person coming out with appreciation publicly but when they see devaluation of in their tokens/coins they cry openly. It is part of trading sometimes you win other times wait or loss. Even experienced traders can not always make money from everything. It is going up again so enjoy this again.

You likely can, although it's best to check with your exchange on the rules for that. It's possible that they may have that answered in an FAQ or support section. If you mine at http://minebela.com, payouts are done after a block is found.

It's scrypt algo. I mine it with one old gridseed asic