What some of the posters here have pointed out is that buying a domain name early scopes your idea and limits the possibility of you adjusting the purpose/audie

What some of the posters here have pointed out is that buying a domain name early scopes your idea and limits the possibility of you adjusting the purpose/audience/main concept of the start up. Scoping is not bad per se, but starting up an idea is more of a creative process than concrete problem solving. You might not know what problem you're yet about to solve.