You can make cheap and good looking fog by blending it with your skybox texture instead of a flat color, especially in overcast or hazy environments.

Did you know that URP renders ambient occlusion before opaque objects? This allows for some cool tricks like blending textures using the SSAO as a mask!

Did you know Blender has a built-in way to bake pivots to UVs?

Just go to the templates and select "Operator Mesh UV". Bake the first UV as it is, and the second one using XZ instead of XY. You’ll need to adjust to Unity’s coordinate system like so:

pivot = float3(-uv0.x, uv1.y, -uv0.y);