There's no substitute for it even if you are targeting a very niche list - most of the time people want to get their first deal without spending any money.

When I was researching lenders during college many of them said they could use my time in college as a substitute for employment.

I've been trying to find simple online answers to recording FF transactions that substitute for the receipt book making them available to track as well as send. 

But, I've never sold one as a substitute for assigning a contract.

I have been substitute teaching 1 or 2 days a week.  

If you include door-knocking, I can assure you that it works.Here are the issues, as I see them:All sales and marketing, including useing the telephone, are merely media; a substitute for nose-to-nose, toes-to-toes direct to person selling.Strategies like direct response advertising such as mail, requires the recipient to read an envelope or card, perhaps open a letter, make snap decision as to their interest, and respond by calling (offline) or going to a website or squeeze page or similar action.People who are difficult to find (skipped, frequent movers, etc.) are less likely to be reached by mail, let alone respond.

They upload the “ Substitute of Trustee” sale documents and you can view them, about 50% of them have the address listed.

Or intervening liens that were not discovered and properly noticed by the substitute trustees before the sale.

As well-intentioned as anyone may be on this website, there is no substitute for a locally licensed attorney given the complex regulatory nature of these things. 

None of the resources I provided should serve as a substitute for hiring a Securities Attorney.