Shop press, drill press, vise, bench grinder. All of those have saved me money upon initial purchase and have paid for themselves multiple times over by now. I wish I had a good welder.
1994 Thunderbird - 2000 4.2L M5R2 now on the road!!
1995 Thunderbird - 2002 Alum 4.6L SVO - Awaiting transplant...
1996 Cougar - 2004 3.9L 4R70W