I’m considering a concrete overlay for my patio but there’s a noticeable slope for drainage. Will the overlay hold up well on a sloped surface, or would I need to level it first? Also, any ballpark cost for about 300 sq ft? Thanks!

https://www.hellolovelyliving.com/blog/fixing-cracked-concrete-with-overlays-a-comprehensive-guide

I’m considering a concrete overlay for my patio but there’s a noticeable slope for drainage