The way I started here was by mentioning to another collector at a British comic mart that I'd just bought a couple of slabbed CGC books via eBay, and he suggested I have a look at the CGC site and Collectors Society. I lurked for about a year and then decided to join and participate. I've always liked having a very broad-based, bit-of-this-and-that knowledge about comics across all periods, as with my equally-unfocused collecting approach, but I'm always willing to listen to and learn from collectors who have far greater experience in certain Ages or genres, or whatever their specialty here might be. It's been interesting to read and learn a great deal over near a decade now. I've always enjoyed participating in some of the competitions here to learn more about my strengths and weaknesses; a strong visual aptitude for 'Guess the Cover' contests but absolutely, pitifully OCD and inept when it's down to grading.
Alternatively, when it's a quiet day there's always the option of goofing off with Jimmers and the rest of the 'Water Cooler nutjobs', as we've been referred to here in Comics General.
I've certainly met a number of like-minded individuals who I have a lot in common with in terms of taste in comics and sense of humour but, due to my bluntness, probably alienated some as well.
Because of health issues I've cut back a lot on my active, physical involvement with comics; not attending marts or conventions, not going to the LCS, buying neither new material nor old back issues. The only involvement I have now is reading digital comics and the boards and so, if anything, checking in here to see what's going on is more important than ever.