Some stuff I get inspiration from:
https://www.lowes.com/n/how-to/she-shed
https://www.familyhandyman.com/project/how-to-build-a-portable-sauna/
http://thegardenfrog.me/my-300-rustic-picket-garden-shed/
https://www.buitenlevengevoel.nl/zelf-een-tuinhuis-bouwen/
Do Not Buy Ted’s 16,000 Woodworking Plans without Reading This
Spoiler: It’s a very terrible scam. More: https://3xn.nl/projects/2022/08/23/do-not-buy-teds-woodworking/