Hi there @Cymeid.. Currently, Square POS apps do not support combining multiple checks into one. This would be a feature request which you can submit here.
Chip A.
Square Expert & Innovator and member of the Square Champions group. (But NOT a Square employee, just a seller like you)
Was my post helpful? Take a moment to mark it as a solution. Marked solutions help other sellers find possible resolutions to similar problems. Also, if you find your solution elsewhere (say, through Support), it is helpful to come back to your post and tell us about it, then mark that as a Solution. Solutions are what this Community is all about!