Shoplopnik. Where there can be a discussion about tools and techniques used to keep the wheels turning. Might be a bit difficult having to weed out some good advice from bad but most of the time advice like this is crowdsourced on the net anyway.
Some example topics:
1.) What is the best penetrating oil for loosening a stuck bolt? How do I remove a broken one?
2.) What are the real "bargains" at places like Harbor Freight?
3.) What's a good low-cost floor jack?
4.) How do I do some basic rust repair?
5.) What are the best practices for doing a 4 wheel brake job?
6.) How can I save money at the body shop?
7.) What's a good brand of body filler and how do I use it?
8.) What performance tires are the best value?
9.) How do I set the idle on a Holley 4150?
10.) What are some of the easiest OBDII codes to fix?
And so on.