How much should you spend on lab equipment?
When I was working at a big corporation we didn't give much thought to spending hundreds of dollars on mixers or even a couple thousand dollars on a good balance. But many of the people who frequent this website are consultants or small businesses who are looking to start their own cosmetic labs. Assuming that you are making a lab in which you will do prototyping and maybe a small production test run (say 5 gallons of product or less)...
What would be your estimate for how much someone should spend on the following pieces of equipment?
Lab balance (or scale)
Temperature control devices (hot plate)
I'll post my opinion after a few people have listed theirs. This is just meant to get an estimate but if you want to link to specific pieces of equipment that's fine