for the remaining thing use fiat directly, and forget the whole exchange for fiat, unless you do it for trading only
People only really sale BTC right now for the fiat profit. It's not remotely integrated in to the real world enough to just be used as a currency..
Fiat cash is the most secure exchange currency. You do the exchange physically in secure locations. I've been doing it for years and never had the problems people suggest may happen. You just have to use common sense; video surveillance and well populated.
If you're worried about counterfeit money just use one of those markers and check the strip and reverse logos; if someone can counterfeit those they probably have government connections or big capital already which kind of eliminates their need to be nickel and deeming thousands with you..
cash? what? cash is not practical at al, for example how do i buy stuff online? and online website offer much more than phisical website, we are not stuck in 1990 anymore
bitcoin work very well as online payment better than fiat for me
Uhh.. $3.00 prepaid debit cards? They sale them in gas stations now even in rural parts of european countries.. They are MasterCard and Visa. I use them everywhere.
"bitcoin work very well as online payment better than fiat for me"
Oh really? Go pay for food, a laptop, a car, or utility bills with it. Show me how much more you know..