The term we often use for this is "offset": you offset your W2 income with your business loss.Are there any restrictions on such offsets?

I know often times people on this forum say they are unnecessary and don't always protect against liability and just get a good umbrella policy.  

New construction often means lower maintenance costs since everything is fresh and up to code.

@Pete Tarin  you have to keep in mind that an entire town or city won't be a class c/d area, often you have neighborhoods that are better or worse. 

Something like he agrees to flush more often and for every month with no back up I credit his rent $25.  

In the initial years, cost segregation and other deductions can often offset much of this tax, so UDFI shouldn't deter you from real estate investing within an IRA, as it can still be a lucrative retirement strategy.

If your loan amount if 700k then a rate decrase of .50% - .625% often times makes sense.  

This eliminates some liability and is easier for turnovers as keeping lead on the inside means dustswipes for every turnover regardless of tenancy length. 

Could you often or always get title to the property or you get money back from the debtor/ a third party who wins the auction sometimes? 

It is not always possible to be on the positive side but often one can.