One great tool to increase your profit margin on a per-client basis is the technique of upselling. We get upsell offers every day – and many of them are highly effective. Would you like to super-size your Big Mac meal? Would you like the large tub of popcorn for just 50¢ more? Would you like to tack on an all-day meal plan with your theme park ticket? Yes, yes and yes, please. Upselling allows you to add value for your clients while increasing your bottom line. It should be a win-win, so you can check out some tips for upselling here. For many commercial painting clients, anti-graffiti coatings are a great upsell.