There are many ways to market your business and increase your customer base and sales. Here are some of them;

Upselling

Give Something Away

 Create a package of multiple products

Create a referral system

Treat your customer right.

Build and maintain relationships.

Give out referrals.

Connect with other businesses.

Establish yourself as an expert.

 Create a point of sale referral system.

With each transaction, give your customer a few postcards

 Write that you offer cash rewards for referrals on the invoices or receipts that you give to your current customers.

Have customers fill out drawing entry forms

 Join business networking organizations where each member refers the people they know to other members of the organization.  Justice Mandhla