The Switch from Bugged/Hacked Pally to Legit

There's no cap on DS or LL.

It depends on what you mean by legit duel games. In some clan/group, it is considered as dupe and is not allowed. But it is alright in other games, most of the time.

No matter what you do, someone will complain and whine at you, (if you win too much...) unless you are dueling in a dueling group or clan.