Ask Lemmygrad

Buy A Thousand Plateaus, open to a random section, and let it flow through you.

Mostly joking. Your best bet imo is to alternate between broad overviews and particular interests. Primary sources are often overrated, especially with the more obscurantist writers. Start with the broad secondary sources, then delve into the specific primary sources that interest you. Paint a blurry image that becomes detailed where you want it, rather than trying to paint a single highly-detailed pixel with no surrounding context.

A philosophy podcast or YouTube channel can be a good start.