Collection start to grow, need some space!

Now, since I already have my beloved snake (Sammy, enchi hypo), I want another one! However, I don't have anymore space In my house for an extra tub, so I want to build a rack for all my future snakes! I want one that holds 15qts and 28qts, 5 shelfs high! I want some tips, for example, best material to build it out of, how to set up heat tape, usual costs compared to retailers, and most Importantly how to build one! Anything would help, thanks!:D

You tube has some pretty neat ideas. I took from watching them to build mine.

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There's a forum thread for this under "DIY cages" I believe. It has a lot of good ideas.
Fiance and I made ours out of an armoire. Good luck with the obsession!

Haha thanks!