The pre-existing statutory exclusion in section 121 exempts the first $250,000 ($500,000 in the case of a married couple) of gain recognized on the sale of a principal residence from gross income for regular income tax purposes and, thus, from the NIIT....Example 2: B and C, a married couple filing jointly, sell their principal residence that they have owned and resided in for the last 10 years for $1.3 million.

Did he have a preexisting relationship with the 4? 

The best way to approach physicians is to have a pre-existing relationship with them.

Not everywhere, in pre-existing buildings.

I try and usually succeed at 100% financing on all of my pre-existing properties, but I am not leveraged over 80% of value on any of them.  

D 506(b) is that the syndicator has a "pre-existing substantive relationship" with the investor, like a family member or business associate, as Bill notes above.

Then we realized that the issue was because of the preexisting tenant down stairs.

So you can have theem give your a GFE - Good Faith Estimate, and TIL(Truth In Lending) which disclose all of their standard fees.The best bet is to find someone that you can build a relationship with and that has a pre-existing relationship with other investors you know because they will have a lot more reasons to make sure you're satisfied with their service because they know you will go back and report to the other investors how their service has been.One last thing is consider Angie's List.

This forced me to in fact buy cash, but now I can fix my credit and come Jan 2015, be able to get mortgages for investment properties.I urge everyone with little, no, or poor credit history to 1) try and bump up any limits on pre existing credit cards. 2) try and open another card if you only have 1-2 cards (especially if you only have 1 card.) 3) try and use no more than 30-40% of each card's limit

Recently, I signed up one of the pre-existing tenants on a new month to month lease.