Often it is actual win-win: - Customer pays me, I solve their problem. Sometimes it is a bit more nuanced: - We sell the customer a better solution, they ge

Often it is actual win-win: - Customer pays me, I solve their problem. Sometimes it is a bit more nuanced: - We sell the customer a better solution, they get a better (and less expensive) solution, but their previous supplier end up losing business. I can live happily with both these scenarios.