The biggest thing you might not have to worry about, Hazzikostas said, may be professions. The profession system is changing dramatically for BfA, with each expansion having its own, separate skill level tier.
"It’s dividing up expansion crafting," he said. "If you are 800 skill in a profession, you’ll be 100 skill in each expansion's crafting. If you are 650 skill, you’ll be 100 in , 50 out of 100 for Warlords of Draenor, and no Legion, because that’s where you were in those terms."
That means that if all you care about is crafting the new Battle for Azeroth items, you're done. If you want to swap professions, now is definitely the time. Don't worry about anything until the expansion launches; even gatherers of herbs and minerals will see no down side to being level 1 in their chosen professions.
"If that’s all you care about, there will be no down side to the fact that you were only 200 or 300 or 500 skill or whatever coming in," he said. "Everyone is equal."
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