Don't worry about good code at a startup. Worry about building something people want. Once you hit hockey stick growth you can hire the technical talent.
Totally depends on the startup. Building a new blog engine? Sure, go wild. Making financial software? You need to be very careful, and write good, secure code.
I think this depends on the type of the product. It's important that the team allows and finds the right spot to restart with more focus on architecture and code quality to not loose motivation of later employees
Totally depends on the startup. Building a new blog engine? Sure, go wild. Making financial software? You need to be very careful, and write good, secure code.