While out shopping this weekend I got to thinking about this. As far as the lines you collect, which do you feel are the "easiest" or least stressful to get. As far as finding the figures, price, chases, etc., tying all those aspects in, which work out the best for you?
For me, Star Wars is my first priority and it has always seemed around here that if you see new figures, you buy them then and there, or you might not see them again. Sometimes they later show up in greater abundance, and sometimes they don't. As a general rule of thumb, from now on if I see it (and have the cash), I buy it.
Marvel Legends/Spidey Classics - I've just started collecting Spidey a little more, but did find all of Series 9 this weekend. I passed on Rhino, only because I had already bought two figures this weekend, but I'd like to go back and pick it up (if still there). I haven't had much troubles finding the Marvel Legends figures I want...although I haven't collected the line in its entirety either. I will say when I have checked the pegs, I don't think I've ever seen any of the previous "chase" figures (Doombot, Goliath, etc.). However, the regular releases seem to be somewhat easy to locate.
Lord of the Rings - The only other line I collect much at all right now, and even so, not much of it. These seem to sell really well around here, Wal-Mart stocks and sells out pretty regularly. I've been able to find most of what I'm looking for...but again...I don't collect the whole line so it is kind of tough to judge. Right now it is kind of slim around here, lots of Gollums, King Aragorns, and 8" Treebeards.
I also dabble in minimates, but it doesn't seem like the TRU here carries them at all. The one we used to visit had the 4 packs, but I haven't seen them here yet. These will probably be bought online if I continue collecting them.
That's about it for me, but I was just curious what you feel are the most stress-free lines to collect. We all know that each line has their problems here or there, but if there was one or two lines that would be easiest for you, which ones would they be?