[Edit (7.16.15): It's been almost a year since I wrote this, and it's STILL gaining views, favorites, and comments wow! @ w @
OK well, I will be writing a TL;DR for this journal. Here goes:
Step 1 - Go to artist's page.
STEP 2 - CHECK TO SEE IF THE ARTIST TAKES REQUESTS. Can look for an art status box, FAQ box, or little note somewhere. Scroll down on this journal to find examples of what these look like. Yeah I had to provide examples, apparently :/ THIS PROCESS OF CHECKING/LOOKING ONLY TAKES 3-20 SECONDS so don't say you don't have time to check.
Step 3 - Note the artist if they're taking requests OR don't request if the artist isn't taking requests. SIMPLE. Please don't ask when artists don't want to be asked. It's annoying and shows that you don't care about the artist at all.
[Edit (8.10.14): Holyyyy moly I didn't expect this journal to get so many views, favorite, & comments! *^* It's an old journal to me now and I was just