Many qualities can help startup founders succeed at raising investment but being good at sales is one thing you can’t do without. Here’s… — Salespeople are often considered ‘black sheep’ when it comes to selling a product or, with a founder raising investment, proving the saleability of your idea. At best, they’re a necessary evil; at worst, they’re a “colouring-in department.” But the truth is, to attract an investor, you’ve got to tick a…