Granola (@meetgranola) Co-Founder @samstphenson shares why rejecting the common start-up advice of launching early worked in their favour: "I was a designer, my co-founder (@cjpedregal) is a product person. The thing that we know how to do well is design products that people like to use". "But we're not very good at a lot of other stuff. Like I'm not a great salesperson or a marketer or anything like that. So I feel we basically knew from the beginning the only way we win here is by…