What are /r/CatsWithBigCats' favorite Products & Services?

From 3.5 billion Reddit comments

I like cats too! Here is one!

^^Beep ^^I'm ^^a ^^bot. Send me links to your circles! ^^reply ^^if ^^there's ^^a ^^bug ^^^v0.6 ^^Source ^^downvote ^^to ^^remove ^^in ^^24 ^^hours