Five years of sustained effort is far from easy... You could create mobile apps, informational web sites that generate Google traffic, niche SaaS services, a Y

Five years of sustained effort is far from easy... You could create mobile apps, informational web sites that generate Google traffic, niche SaaS services, a YouTube channel in a popular topic, sell physical goods on Amazon, open an Etsy store. Ideas are the easy part, especially if you already have an expertise in some area. The hard part is the five years of building.