Hey! There's many things that you can do to level up! For me since I'm not that good at creating my own mods or texture packs or CIT's...Personally I just comment positive messages on other peoples posts, like keep up the great work, or you're doing great, or I luv it!...Anyways, I hope you find this message helpful! it's taken me some time but I got to lvl 15, just by using this method! Hope you have a great day!

You get xp for a lot of stuff, but I’d say the best way is to post good content. So far it looks to me like full game retextures for bedrock edition get a lot of downloads which will level you up a lot.

forums also provide some xp, I mean look at this guy: (try to win lol) www.planetminecraft.com/forums/pmc/discussion/i-am-a-genie-you-get-one-wish-and-i-will-try-to-ruin-it-for-you-how-do-you-word-your-wish-so-tha-634795/

comment submissions, talk with people, exist

I do nothing useful and ended with level 54 lol

do I need to comment?