There are actually quite a few solid USP-S skins at lower price points that hold up really well visually. The USP-S is one of those guns where even the cheaper finishes tend to look clean because of how the weapon model sits. Spent some time going through
https://beyondvela.com/best-cheap-usp-s-skins-top-5-skins/ recently and it covers five affordable options with a good breakdown of what makes each one worth considering. Useful reference before spending anything on the market if you want something that looks good without committing to a high budget skin