It would seem to take an audit of that part and see what is being used and what is not is key.

I have clients worldwide that I assist with bookkeeping, audit representation and tax preparation.http://blauco.com/

And what supporting documentation would I need to provide to the IRS if i am audited? 

You must have the intent and be able to prove intent to hold for rental or investment in order to qualify for 1031 Exchange treatment should you be audited. 

If I submit it like one property for the purposes of taxes (I use TurboTax) as opposed to individual, is that asking for an audit?

.)- Ask website provider/ designer for a referral- General referrals... ask your business friendsKnow that you have composed a list of companies/managers to choose from you will now need to Figure out what services are offeredTypes of services offered- Audits: Someone dives into your account to tell you exactly what you are possibly doing wrong.Audits come at one of the cheapest cause you can get it for free or for a small amountLevels of audits- Free Audits: Companies that offer this free service are most likely interested in a campaign that is going to be spending large amounts in hopes to hook you on for possibly a long-term contract.

You can get away with a lot of stuff until you get audited.

Applications for anything are an audit trail in legal matters and lease applications are the source documents for real estate lease agreements.

Nevertheless, there are strict requirements and tend to be a red flag for IRS audits.

I learned very early in business(due to an IRS audit) that there are 2 ways to minimize taxes.1.