Concrete Grinder- Dual head grinder with sanding pads and other pads. Works great, approximately 6-7 years old. Includes extra pads and a 50ft extension cord.
I used it on about 10 rooms to grind the concrete before applying epoxy coating. I also have a used 6’X10’ trailer ($1500), a generator ($450), shop vacuums, extra epoxy and flakes, hand tools, etc. Buy everything and start working today. One floor can pay for everything!