I made my new hatchling rack.
My plans called for these boards.

They came from Lowes, but I've seen similar ones at Home Depot and all kinds of other stores like that.
We used 12x24s for the side supports, and 12x36" boards made the shelves themselves. I did it this way because I plan on building another set of these eventually, and with being wider than it is tall, it's more stable. I can now stack the second unit on top of the first. Because the boards are 12", the containers hang out a bit in the front, making it necessary to keep lids on. That's not really a problem for me, because I'd prefer to keep lids on my hatchlings anyway. I saved about $20 on the project by using 12" boards instead of 14" boards, too. Not a ton of savings, but enough to make me do it that way; a college student trying to feed this many herps, I try to save every penny I can! $20 saved means I can put one more hatchling in here!
The back is pegboard that we just tacked on with finishing nails.
The first couple boards took us about an hour to put together, because we were working on a folding card table in my best friend's garage, and we had to keep looking for more tools & supplies. The whole project would have gone much smoother had we used a level surface that didn't wobble around when we tried to drill on it!
After we got the first three boards (top & sides) attached to each other, we flipped the unit upside down to build it. I put showboxes ontop the "bottom"(which is actually the top, because of being upside down), and set the next shelf on top of the containers. To make sure the containers would slide in and out, I folded a sheet of paper three times, and set it on top of the containers. This made just enough of a gap for us to work with.
After we got the first three boards together, popping the rest of the shelves together took no time at all.
Here's the finished project, which took just about an hour and 45 minutes.

We used two drills(one with a drill bit, for guide holes, and the other with a screwdriver bit, to drive the screws in), a circular saw to cut the pegboard, and a hammer to drive the finishing nails into the pegboard.
So, supplies:
5 12x36" laminated boards. $29.85
2 12x24" laminated boards $9.94
125 1.75" #6 screws $3.49
1 2x6 pegboard $3.53
16 Sterilite shoeboxes $15.84
Project total: $62.65
That makes each individual cage cost $3.91.
Heck of a lot cheaper than buying aquariums!
So, the project is just about done. The only thing I still need is heat tape. Can anyone point out the best way to buy & use this? I've been told before that the cheapest way to wire it is to buy cheap extension cords. I know in pictures, I've seen people plug 8 different pieces into a power strip, but I'd like to wire it all into one plug, if that's possible. What is a fair rate for heat tape? I've always used human heat pads for everything else I have, because of the build in rheostat.


