While I still have a ton of cards, I don't buy them any longer and have little interest in them since my switched to memorabilia exclusively.
I love that memorabilia is so varied, not all about a grade assigned by a third party, displayable, part of the player/fan experience, and just plain fun to look at, hunt for, and discover. I look at much of the early pieces I collect as art.
If you search, every day you can find a piece you didn't know existed. It's great fun to mix different types of memorabilia into a display that focuses on whatever you may choose, such as a team, player, era, or form (pennants, pins, figural pieces, and equipment for me).
Since most generalist antique dealers don't know the market for memorabilia and because there aren't monthly price guides, I believe there are far more bargains to be found as well.