If you can do all the above, then you already have some basic sales skills. A developer - needs to "sell" his solution to his teams/managers A trainer needs t

If you can do all the above, then you already have some basic sales skills. A developer - needs to "sell" his solution to his teams/managers A trainer needs to sell his trainings to get students to come visit. A tech conference presenter needs to "sell" his ideas to the audience so they can "buy" it. Actually, training and sales is an extremely good combination to have. Case in point: Most people on the internet get rich by teaching others to become rich rather than doing what they teach themselves :) Such as - eCommerce courses, become a consultant type courses, etc.