These tools have helped me make a fortune. Think Elon Musk, Mark Zuckerberg, then me...
But seriously, these tools have helped me so much in my work, and while they were expensive, they really have helped me grow my business by working more efficiently and allowing me to work on larger projects at my shop, and in the field. See below for links on where you can get these, and similar, cheaper tools like this. As an Amazon affiliate I earn from qualifying purchases:

NEW Make Everything Shirts:
https://amzn.to/49KyJtk

Diablo Cermet 2 Metal Blade (comes in a few sizes)
https://amzn.to/3QMjJTf

M18 Metal Cutting Circular Saw:
Bare Tool:
https://amzn.to/3G8kr8C
Kit:
https://amzn.to/3SN4NqI

Evolution Metal Cutting Saw (Much cheaper)
https://amzn.to/3SOuwir

M18 Cordless Magnetic Drill
https://amzn.to/3SRjJnB

Fein Compact Magnetic Drill (I just got this one and its awesome)
https://amzn.to/40OZHfp

Cheaper Evolution Magnetic Drill (I have this one and its excellent)
https://amzn.to/47hEjC3

Really Cheap Magnetic drill (ive never tried this one)
https://amzn.to/3G42o3c

Annular Cutter Kit
https://amzn.to/3G9n0qV