Should a $79 VFD make me nervous?

Thanks for all the comments and insights. It’s good to know that others have had decent experience with these VFDs.

I ordered the 2hp motor linked above for $152 delivered and just ordered the VFD also linked above for $78 delivered. I think I’ll be in for another $50-$60 on enclosures, switches, bearings and some miscellaneous stuff. Fortunately I have a pretty good scrap pile to work from for the frame as well as enough aluminum to turn my own wheels (if I don’t screw any up!).

I’ll start a thread once I begin the build. My goal at this point is to end up with a quality variable speed grinder for about $300 out of pocket.
 
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