If I could send out 1,000 mailers a month would it be better to:

A: Have 1 list of 1,000 people and mail to them every month

OR

B: Have 1 list of 3,000 people and mail to them quarterly

...

Lower frequency should cut down on costs.  

The frequency is determined by the amount owed.As my parting thoughts on this thread, I strongly urge you to seek competent professional advice on this.

I see AH4R putting homes up for rent with increasing frequency in Kennesaw GA.

I would need at least $80/night with Airbnb to compete and the few NLV houses that are doing it under the radar don't seem to come close to the rate or frequency needed to compete.

@Charles VinetteIn this country, most of the lenders have quite good underwriting and mortgage servicing systems.When if comes to modelling mortgages (amortizations, terms, rates, payment frequency, pre-payments, rate changes, etc), there is little that cannot be done using a spreadsheet (even for Canadian residential mortgages where interest is compounded semi-annually.There are some descent spreadsheets which are freely available - Vertex publishes a few descent one which work for both Canadian and U.S.A. mortgages.

@Christopher Smith, i just read that article, that's very interesting, but it still says at the bottom of the article that it all depends on the frequency of the activity.

Let this ad run until the frequency metric in ads manager for this campaign reaches 1.4-1.7. 

Taxpayer's purpose for acquiring, holding and selling the propertyNumber, frequency and continuity of salesDuration of ownershipTime and effort expended by the taxpayer in promoting salesTaxpayer's use of brokersExtent of improvements and subdivision made to facilitate salesOrdinary business of the taxpayerExtent and value of the taxpayer's real estate holdingsExtent and nature of the transactions involvedAmount of income from sales as compared with the taxpayer's other sources of incomeTaxpayer's desire to liquidate landholdings unexpectedly obtainedTaxpayer's overall reluctance to sell the propertyAmount of advertisingUse of a business office for salesTaxpayer's control over any sales representatives

"PURCHASE" - Guardian ships you a water meter with an affixed radio frequency transmitter for each unit at your property.