We explain your slab before we quote it
Two quotes for the same garage can look nothing alike, and usually the gap is prep that one of them left out. So before I price anything, I tell you what your slab needs and why, including whether an old coating has to come off, which cracks need repair and whether moisture changes which product fits.
I'd rather you understand your own floor well enough to make the call yourself. If you talk to other contractors, you'll know what to ask and what a written scope should cover. Whichever finish you land on, whether epoxy, polyaspartic, polished concrete or something else, you'll be choosing it knowing exactly what you're paying for.

