If you'd stop spending all of your money on 7-11 Double Gulps, you'd probably save up enough to get a ProVari.
Seriously, whatever works, works.
I had a piece of old seasoned pine that I cut up using a saw I already had. I glued the pieces together using glue I already had. Drilled it using a drill motor and drills I already had, then sanded it with sandpaper I already had. Then, I waxed it using beeswax I already had and came up with this.
I've also made one for my 22mm diameter Vamo and atomizers. That one is from an old piece of seasoned oak.
I'm not poor, but I didn't get to where I am by spending money needlessly. I do remember my lovely bride and I going to the grocery store with $25 and having to
buy groceries for two weeks. In current dollars, that works out to be about $43. Lots of beans and rice, Ramen noodles and homebaked bread in a breakmaker my grandfather gave me for Christmas.
Trudge on, young man. Work hard, save money, be frugal when you can. It gets better.

But never forget the lessons learned from today. They'll last you a lifetime.