What marketing techniques or methods you use to advertise your business?

If you're under $1mil in annual revenue, the only thing that really matters is ad spend.  Your ad copy needs to be decent (not even great) and you'll do plenty well.

For reference:  I started spending just 10/day on facebook's automated ads, targeted to my specific area.  I fed it five photos, three of work I've done, one of my sign on my trailer, and one of my logo, each one is it's own automated ad.  I've gotten fifteen leads in two weeks and converted 9 of them.

I'm very serious when I say your facebook business page is a machine that turns $10 bills into $100 bills.