If you decide to get a pet store cage for your guinea pig, you'll have to spend a lot of money to get one in a decent size. (thesprucepets.com)
Note that retailers should use the manufactured paper liners and not newspaper or paper towels in store cages, since these products are not treated to inhibit mold and bacteria growth. (petbusiness.com)
Use of cage guards and skirts on store cages will not only help keep the mess down, it will also help to sell more of these products. (petbusiness.com)