Look for the vacant properties in your local area, you will find leverage in working for those landlords. They will be highly motivated to fill the vacancy and listen to you as you make recommendations about property market conditions.
In this audio I talk about how you can do more with vacancies and how your professional services should be positioned within that. One other special note here is that your database in leasing will give you massive momentum if you structure it and grow it over time. In the audio program I talk about how you can use that to build leasing leverage.