I would 100% check out the subreddit for advice and guides on how to play.
Not unlike GW1, the most lucrative market is trading. But it takes gold to make gold and this is further complicated by the presence of a trading post and lack of player to player trading.
There isn't farming in the same way as GW1 (nothing like solo UW clears). Its really more about playing group content/ meta events/ running dungeons/fractals/raids to make gold.
There are some areas which are the best, but overall nothing is too out of line at the moment.
Play the class that you find most interesting. They are all be fun/viable in different types of game modes.
If you're only interested in min-maxing, check out resources like https://snowcrows.com/, https://metabattle.com/wiki/MetaBattle_Wiki, https://gw2efficiency.com/,
gw2crafts.net, https://www.gw2spidy.com/This post was edited by froacus on Apr 19 2019 03:06pm