I came across this amazing hand-painted house by Antonio Neves: https://www.artstation.com/artwork/low-poly-house
I need to practice making World of Warcraft environment models, (wanna work for Blizzard so bad!), so I had to take a stab at making this house myself!
My goal was to gain experience with this fast workflow. I actually threw down a bit of paint in blender while very roughly blocking in and UVing the house, to get me an idea of what I could get away with tiling. Then I opened the simple texture in Ps to arrange the islands and actually paint it nicely. Back to blender, re-alligned the UV islands, then created a second set of UVs, and baked a couple maps for light mapping. Mixed those in Ps, and figured out how to get UV sets into Sketchfab. Done! I think I finished this in only 9 hours! Fast for me! Stoked to get experience doing things for quick flat models.
Anyways, cred goes to Antonio Neves, I totally ripped this design off of him (for practice.)