Now THAT"S a great plan!Thanks for the suggestions.
If I can't return it (which may be hard since I scrubbed off the glued on labels and can't find the receipt) I'll probably get a new one and maybe try breaking down the current one, cutting the glass and rebuilding it as a nano cube just as a learning experience.
There's a whole slew of great YT videos on building tanks from scratch. As others have said, it's just not cost effective. You'd wind up with $30 invested in a bare 10G. But if you re-purpose the old one, that's the way to go in my book.
I bought a bunch of 10G's during the last Petco sale and got a clunker too. I re-purposed it into a bunch of glass tops for the others.