That stack takes quite a lot of twiddling configuration files and piecing together disparate libraries and unrelated tools, at least on the frontend, and especially so if JavaScript UI frameworks aren't your area of expertise. 3 days is not that surprising.
How about starting a SAAS lifestyle business? There are a number of threads on this site of the "tell us your one-man SAAS success story" variety. Might want to look to them for inspiration.