It's not about the money. I am much more likely to do this if its a rescue job.
Funny, but at the moment there really aren't any machines on CL or eBay in need of rescuing. I have a NS Personal, but it's a bit too grungy for a noob to tackle, besides I couldn't pack it for shipment anyway. Usually there are a good handful of interesting machines to be had, but not now.
It gets like this with the Bunn ES-1A machines; sometimes there's a glut of them on the market and at other times you don't see one for months. I'm rebuilding my #2 machine, complete strip job and repaint & replate everything to bring it past like-new condition. When I finish I'll be selling my #1 machine - completely restored mechanically and PID'd, but the finish is a bit rough. Probably when I get ready to sell it there'll be a half-dozen rough condition machines keeping the prices down! It's always that way.