Transaction on-chain can be predictable if only you understand how miners incentives transaction.
No, they are not. You are just being stupid. It has nothing to do with fees. Sometimes there is no block at all for 1
Swine-asshole.
Why don't you use your main account to interact instead of abusing people on different threads going around like a coward. Can't even swallow a constructive attack. Spit on you.