The best simple thing that I have done to get more work without spending a lot of money is making and printing simple trifold brochures with a simple list of "services we provide" along with a few colorful pictures. I print them myself on a color laser printer on brochure paper which costs >3 cents a sheet including toner. The key is to give them out to all new customers or potential customers. I was amazed at how many "I didn't know you did this" comments I got from even existing customers. So far in 2 months I have got 3 walkways, 2 patios, and 6-8 various other add ons just from these.