If you split the difference, you end up with 50 percent on average.p124, Steve Berges, “The Complete Guide to Buying and Selling Apartment Buildingsâ€, published December 20, 2004 by Wiley.Dave Lindahl also mentions this as a rule of thumb.

What's published in the first link I posted is much more recent.

For private money, I'd try to target a rate between 8% and 10% with up to one point, payable at closing, although obviously on the back end would be preferable.

Whenever the vendee in a land contract, or other persons entitled by law to receive notice of the forfeiture of the same, shall be absent from the state of Michigan, or concealed therein, or when the whereabouts of such person cannot be determined after diligent search and inquiry, it shall be lawful for the person giving such notice of forfeiture, to publish the same 3 successive times at weekly intervals in some newspaper printed and circulating in the county where such property is situated, if there be one printed and circulating in said county; and in case there be no newspaper printed and circulating in said county, then in some newspaper published in an adjoining county and circulating in the county where such property is situated.CHAPTER 554 REAL AND PERSONAL PROPERTY NOTICE OF FORFEITURE OF LAND CONTRACT 554.302 Notice of land contract forfeiture; proof.

Vollucci, is considered to be one of the foremost authorities on real estate taxation and investing and has authored books in these fields published by John Wiley & Sons of New York.

The Washington Post recently published an article outlining four reasons why single family home investments are better than apartment complexes.

I've got probably 10-15 BP Podcasts under my belt, plus a few other REI podcats; I've read 2 BP published books so far, working on #3 right now.

Quote from @Vasudev Kirs: I hope to publish my book this summer and it will explain all this in detail!

Payments made with insufficient funds will cancel the sale, and the purchaser may no longer be allowed to purchase properties from the COSL.RefundsIf a property is redeemed or if a sale is overturned or cancelled, payments submitted by purchasers will be refunded in full by check, made payable to and mailed to the entity from whom the payment was received.

I don't know how reliable that data is since typical mom and pop do not publish to the MLS, but using that information and checking Zillow and a couple of other sites puts me right on target.