Those are all common well known UX practices. It's true many startups don't use them. In my experience this is usually because they don't have the in-house ski

Those are all common well known UX practices. It's true many startups don't use them. In my experience this is usually because they don't have the in-house skills or knowledge. They don't have to be complex or expensive in time or money. Congratulations - you now have an advantage :-)