I recommend QuickBooks Pro DesktopYou can keep track of all your properties Income minus expenses giving you your bottom line per property by using the Class Feature in QuickBooks. 

Because of the prohibited transaction rules, doing so could be a violation of the rules, or at the very least, would limit your flexibility with the investment and increase the chances of a prohibited transaction occurring after the investment is made.Here are some alternatives to commingling the assets: using the Solo participant loan feature to do the deal outside of retirement funds using non-recourse financing from a lender or private source in combination with retirement funds as the down paymentusing a 401k or IRA and partnering with non-disqualified persons

@Scott NeudeckerThis depends on what features your looking for.

Here are some alternatives to commingling your assets: using the Solo participant loan feature to do the deal outside of retirement funds using non-recourse financing from a lender or private source in combination with retirement funds as the down paymentusing your 401k or IRA and partnering with non-disqualified persons 

Although I am a Realtor and have access to the MLS and can see old listings, I have seen that Redfin has been pretty reliable as a #2 option.All in all, you want to compare properties with as many similar features as possible and be aware of the obvious outliers, with the main culprit being size difference (You really don't want to compare a 3000 sq. ft. house with 3 bedrooms to a 900 sq. ft. house with 3 bedrooms).

This scenario features a normal FHA loan, but there may also be an opportunity for the seller to hold the mortgage.

They can give you a quote, and even advise if any features of the property have a strong impact on the premium.  

Realty Trac or foreclosures dot com all feature services that show you for 7 days properties in your area, as well as the equity in each deal. 

The owner of Latitude @Neal Collins was just featured on the BP podcast #291 too.

We are exploring a new daily podcast that features a panel of experts answering your questions about real estate investing.BUTBefore we can produce this show, we need questions!!!