Hi,
i'v been playing blackjack for some time now,but still not quite sure about the amount of best bet compared to the bankroll one puts at stake!

let's suppose i start with a 500-600$ bankroll is advisable to play at what minimum table bet?
a 5$ dollars minimum ,10 or more?
at what point should one set a stop loss or maybe not setting it at all(considered tha huge variance of bj,therefore a too little sl comes too often)?
considered a 5$ minimum bet ,30 or 40 pieces of 5$ should be large enough not to come very often or what else?