Road to 100

Got a decently strong build going this season, but I've never actually hit level 100. Really want to this time around. Only problem is I've got this stupid job and stupid bills eating up my time so I can't map all day every day like I wish I could.

For anyone who's hit 100 already, what's actually worth doing with limited playtime? And is leeching in parties still realistic or is that pretty much dead now? Open to any tips honestly, and if someone's generous enough to let me tag along for a boost I definitely won't complain lol