Anyone have any advice, groups, sites etc for getting back into D&D ?

I see folks try to bring Skill Challenges back into 5e

When creating your monster, try to use the “one cool thing” rule

Balance in D&D design is a bit of a myth

Tips for a first time Dungeon Master?

One key method to increase the usability of your D&D adventure is to strip out anything that doesn’t help the DM at the table