Tradeskills - Learn trade skills online.
Take The Bait - A blog about building your MVP & finding your first customer
Copeland - Masterclass for skilled trades
Launch Library - Hundreds of resources on how to launch literally anything
Worldpackers - Exchange your skills for accommodation
Lean Canvas - Business plans take too long to write, are seldom updated, and almost never read by others but documenting your hypotheses is key. Lean Canvas solves this problem using a 1-page business model.