it depends on casino
most of reputable casinos process cashout within minutes

you should store your bitcoins on your local desktop/laptop
send them to exchanges when you want to trade

it should be
Huobi and okcoin

just found this on bitcoinwisdom
exchanges with most trading volume

where you get those gift cards?
i don't think you buy them for 100$ with cash and sell for 35$ here

i don't want to die who wants
 Just joking :

you can try poloniex

you will pay back 2BTC for 0.1 BTC loan
2000% ROI
best ROI i have seen so far
Lol

why don't you develop an exchange first and post demo link here
so people can see your work
and if they like it they will pay you 5BTC each one who buy this

tomatocage and escrow.ms

from where you are getting those cards daily?
and at how much discount you are selling them
since you are a new user so escrow is must

what is your country where we have to ship the items after we have received them?

you must post details like how much you are buying
and what price you are looking for

then you can sell you designing service to earn money online

a cup of coffee

in short you are selling service to fraud to honest sellers

i will take it one step ahead

i wonder if anyone will buy a signature of a user with negative trust and who is a spammer (makes 200posts/week)

You should start using Bitcoin because...
"its currency of future, it is secure & decentralized"

IMO it was just a fun nothing else
a bubble that already burst

yes there is
localbitcoins is place where you can find a seller and buy bitcoins with cash