Found a place that sells a "kit" for building your own floor scale. My kit can handle 20K. The kit has all the guts you need, I need to provide my own platform. They recommend 3/4 or 1" aluminum. ...
I always ignore the posters that have nothing constructive to all, they are everywhere on the internet and so brave behind the keyboard. In any case, I'd be interested in hearing how it works out. I'm considering getting a setup myself, esp. at a price that low.