What do I need to know about online betting?

Query by Jeff: What do I need to know about online betting? I want to know the essentials like what does spread indicate and 1x 2x in soccer and like when do I know what is right and what's incorrect. So I know what I am betting with and against Like what do I require to decide on where I want to bet 5 dollars than if I win I get 10 and if I get rid of I lose the five Finest reply:
Solution by Jimmy
I have no idea what you want to know.