You'll also want to send on a consistent basis, like mailing out every X period of time, as mailing out in random time intervals isn't as likely to produce results.

I'll schedule appointments to show in 15 minute intervals.

Some are a set fee at different intervals, like $25 after 5 days, $25 more dollars or a percentage of rent, or a daily amount until rent is paid.

Outside of my passion for Real Estate I'm a: Professional BodybuilderEnterprise Technology Sales Professional Nutrition/Training CoachAvid NetworkerLooking forward to connecting with everyone 

Spent 8 hours with her as she has the influenza bug and needed my assistance getting her nutrition and exercise needs met. 

This also moves very fast since you are moving from refi to refi (6 month intervals) instead of from new accumulation of cash to new accumulation of cash (for each next house).

It turns out it was all about not reading the bill was for two months ...So it seems somebody neglected to pay electricity in one prior month, and then blame the landlord without even looking at the billing interval or the previous account balance on the bill.  

I will be sending out either letters or postcards in weekly intervals first at 1/4 of my list each week until I've run through it then wait a couple of weeks then start over from the beginning.

Can any of you guys talk to how many times and at what intervals you re-contact your prospects?

I suggest you go to a 5 yr interval to reset the rate, you don't need a balloon payment to do so.