Buchtips:

Felix Plötz - Das 4-Stunden-Startup (https://amzn.to/2NaEtqo)

Tim Ferris - Die 4 Stunden Woche (https://amzn.to/2J2Jg7U)

Eric Ries - Lean Startup (MVP-Ansatz und Plan-do-check-act-circle, https://amzn.to/2Rw6Uxv)

Alexander Osterwalder - Business Model Generation (https://amzn.to/2Rw6V4x)