You could install a hot water circulation loop. This will circulate hot water at all times or on a schedule to ensure hot water instantly when you open your shower valve.

Yeah, I bought from Costco one of those $175because I had to wait 5 mins or so it seem anyway to get hot water to my upstairs bathroom......... and it works great!!

Hot water in 2-3 seconds.

"I bought from Costco one of those $175because I had to wait 5 mins or so it seem anyway to get hot water to my upstairs bathroom......... and it works great!! "

Just make sure to run the cold a few minutes before drinking or brushing with it.

The best way is to plumb a return line than you don't have the issue brickeyee is talking about. If you have access and you use pex, this is not terribly expensive.