When low flow toilets came out, 2 or 3 decades ago, they were not very good. And, indeed, the answer was to go to a junkyard and buy and old toilet and replace the seals and install it. Or buy one in Canada, which did not have low flow requirements.

Today the low flow toilets are very good. We have had a Toto for 5 years and never a problem, and I am 6-3 and 225 and I do put a strain on a toilet, if you know what I mean.

Also we got the ADA model, which is the high one, it sure makes life easier for a man to have the high toilet.