Think pushpin marks. But to patch holes wider than pinholes, use a commercial wall-patching compound, which will resist ...
Patches made with traditional patching materials need to be primed with a sealing-type primer before painting. Otherwise the patched areas could show through the finished paint job as foggy spots.
Feather the edges outward, extending the compound a few inches beyond the patch to blend with the surrounding wall. Once the compound dries (allow 24 hours), sand the layer of compound using fine ...