If you have a Dollar store near by of Kmart/WalMart buy a cheap plastic cutting board makes a great mixing platform. Plastic speaders are at O'Rielys and such.
The bondo will dry depending on how much hardener you add plus the temp outside.
Gloss white is available with Brightside & rustoleum but I think you are out of luck with the silver.
I do the same with mineral spirits as you are planning no problem just be careful where you store it no flames etc.

Last edited by 69DartGT; 01/08/07 11:05 PM.