Use a spray paint can cap to hold your wire while soldering.
Use a piece of rubber hose to help change out a spark plug .
Use metal plant hangers to hang your parts before painting them.
Make your own sheet metal break.
Clean out wax residue from those nooks and crannies on your car
Make your own "copper spoon" for filling holes.
There is an alternative to using Anti-Seize.
Your local drug store has the best option to fill transmission fluid easy and cleanly.
Easy and cheap way to keep your cutters from gumming up while working with aluminum.
See what make E3 spark plugs the best option on the market today.