1.  Build cross-marketing relationships with a as many other businesses as possible.
This will open you up to new markets with minimal advertising spend. For example if you sell jewellery you may want to partner with a wedding dress shop for mutual benefit.

2.  Take advantage of any free media publicity.
Getting an article published in papers or blog article shared online will give you Brand mileage without any spend! You will not be able to advertise your company blatantly but hard sell is best avoided anyway.

3.  Track, measure, and evaluate all paid advertising concentrate both on immediate feedback and long term results. Use cheaper strategies that give you more mileage and make sure you get the most from your touch points. For example spending less on TV bookings and spreading your TV Adverts through Social Media will give you more free coverage without further spend minimising your financial outlay.