Oooh that's a nice great sized cage you got there Pineapple! And a great price too! whoot!!!
I do most of my cage cleaning with acv(apple cider vinegar) and water BUT if that is a used cage I would use bleach and water solution for the first cleaning. It will definitely take care of more bacterias n nasty germs than acv.
If it will fit in the tub, you can do it there, if not you can wash it outside if you have access to a hose?
If it's possible to break it down and let it soak in the tub in bleach/water solution for 20 mins or so, that's what I would do. The solution does not have to be too strong. If you can't break it down, mix a solution in a spray bottle and spray it down real well, be sure to get all the little cracks n crevices n corners well. Let it sit for a bit, then rinse thoroughly. Rinse it well. Then let dry.
If any way you can let it dry in the sun...even better.
After the initial cleaning then acv/water is good and also the hand sanitizing wipes illusive mentioned are great for quick wipe down.
You can line the bottom with cheap paper towels for easy clean up too. Works great. Move very very slowly while cleaning and talk softly to them.
If there is any way to line up open doors of the cages, some have had success doing that to transfer to another cage.
Thought I better come back and add that the new pretty scented bleaches they have out now days does NOT disinfect. If using bleach for disinfecting it needs to be the regular chlorine bleach..NOT the good smelling stuff.
Rinse rinse RINSE...and rinse again