This post is, to me, more interesting for the information left unsaid... than that which is given.
"The bottom buttons starting to give me painful cramps my hand doesnt wanna work in that position these days."
What mod are you using that does this... and how are you holding it/firing it? What is the throw travel and how much button pressure?
I've broken my hands so many times that I'm able to use only my middle finger for firing... yet bottom button mods are all I own.
"Im also open to other tube style in the criteria i mentioned not alot of options i know. I dont use super low builds .4 pretty much lowest i got other mods for anything below that. Price $50ish not much to work with but im only looking for a clone"
Most side button clones, right out of the box, don't have terrific button conductivity, and require a bit of work to obtain a low enough voltage drop to fire 0.4Ω net resistance reliably... without the occasional hot button / Joule heating issues.
If the FT clones are your device of choice, get
one of the two highest priced, "best available" versions... and stay away from the lowest price / quality models. Be prepared to "fine tune" the button elements for maximum contact/conductivity, as well as button throw and pressure. Quick note... the
FT Guppy clone is pretty much crap.
Another option, and one I recommend most for a side button inquiry... is to save up and get a
genuine Atmizoo "Uni-tube" Lab, Guppy or Dingo. They are, for the dollar, perhaps the best side button mod you can get.