In most cases, you do not need to put padding or underlayment under carpet tiles. Unlike traditional carpet, which requires a separate pad, carpet tiles are designed to be installed directly onto a firm subfloor like plywood, concrete, or tile. Many carpet tiles come with a built-in underlay and attach with peel-and-stick adhesive, double-sided carpet tape, or glue. For a more comfortable, cushioned feel, especially in residential settings, you can opt for padded carpet tiles that have a thicker underlay attached. While it's generally not recommended to install a separate pad, a compact underlayment might be used in some situations, though this typically requires professional installation. An acoustic underlay may also be considered in commercial spaces or multi-level homes where noise reduction is a priority.

Like any other type of flooring, you will need to keep up with regular maintenance on your epoxy floors to keep them in the best shape possible; however, it is not like hardwood floors inside a house, which require special care and more consistent maintenance.

Just make sure you use the right cleaning tools and solutions. Avoid using harsh tools like scrub brushes or hard-bristled brooms. You should also skip cleaners that are highly acidic, including white vinegar.

Sheet vinyl is the cheapest DIY flooring, depending on the brand, style, and quality you choose. Not only is it one of the most affordable flooring products on the market, but it is also easy for most homeowners to install, as it only requires cutting, trimming, and gluing down to the existing floor surface. Some sheet vinyl manufacturers make a loose-lay sheet vinyl flooring that does not even need to be glued.

Carpet squares, tile stickers, painting or stenciling existing tile floors, and painting existing concrete flooring are also affordable options for DIY flooring.

New flooring costs quite a bit, so longevity is important to think about. Concrete generally has the longest life span, but it’s not always a good solution for homes with wooden subfloors. That said, hardwood floors and stone floors can last up to 100 years, and you can refinish or restore them to remove imperfections from daily wear.