Earlier quoted context omitted.
In any usable product making a product is like 20% or less. Enter compliance, security, payments and a million other things. Even if you can build it in a day B2B SaaS will continue to prosper because they sell peace of mind, reliability and compliance. Not features. Also due to economy of scale it will always be cheaper to buy something from a vendor that sells it to many clients than to DIY it.
Yep. It's a funny thing. You build a Twitter. Profiles have posts, posts can have images, etc. It's very easy to model the database. But then how do you make money with it? Now you need to build a separate system for advertising? Or do you want to sell subscriptions? Which means you need to build a separate system to handle payments. This is usually the big one, because when you handle money, what happens if there is…
Use stripe, cloudflare, whatever the legal equivalent of these stuff, S3.
Yes they might take most potential profit, but you'll also not have a huge payroll.