I've only ever seen the smokey noisy ones. If there's one that's not so obnoxious and it's that cheap, it could work but one of the 4-stroke Honda-clones would still be better.
I've done the same thing, ran cords to nearby people nearby rather than listen to their lawnmower-engine generators.
There have been times when my Hondas were the thing breaking the silence and running cords to the otherwise-powerless neighbors made it a much-appreciated good thing.
Always bring extra cords!!