The great majority of service calls for plumbing, heating/air, tree service, roof repair, glass repair, etc are emergency calls.
Customers require services NOW, and can’t wait until payday. They NEED and EXPECT to be able to pay you with their debit/credit card.
Keep up with your competition. Most of them are already taking cards.
Don’t lose an existing or a potential customer to your competitors.
Displaying the Visa/Mastercard logos on your storefront, company vehicle, business cards, and website adds legitimacy, especially to new and small businesses.
Customers spend more money when they use their credit cards. They are more likely to buy the higher quality product, service, or warranty that you suggest, and get more needed services done.
Potential customers know you stand behind your work.