Just do it. Read some books. I like Harry Beckwith's books, also The Ultimate Sales Letter: Attract New Customers. Boost Your Sales by Dan S. Kennedy. Highligh

Just do it. Read some books. I like Harry Beckwith's books, also The Ultimate Sales Letter: Attract New Customers. Boost Your Sales by Dan S. Kennedy. Highlight the benefits over features of whatever you're selling such as "Increases sales" vs "1000 of x with the pro plan."