Dirt and Sand Materials

I have done a few custom materials in the past following tutorials, but these are the best ones I have made so far. Both of these are created for my '3 Scene' project.

Dirt tutorial - https://www.youtube.com/watch?v=wlwGm3cW6dM&ab_channel=DanielJRGameArt
Sand Tutorial - https://www.youtube.com/watch?v=oPauF1fwZuU&ab_channel=CgAmmo