But why only new clients? In my humble opinion EVERYONE should get the same offer as advertised. I offered 15% off services on particular days such as Tuesday's for a limited time to entice business but the offers are for EVERYONE. New clients, established clients, EVERYONE!
I'm more concerned with my loyal clients saving money. They advertise for me. Loyal clients tell their friends about me. 75% of my business comes from existing client referrals, and it would cost me five times as much to attract a new client by doing the above than to keep an existing one satisfied.
I learned a long time ago....you can't buy loyalty. You earn it.
My clients always come first. I am loyal to them.