30% - DST20% - Triple Net (NNN) lease50% - Traditional Rental PropertiesWhy do you suggest this overall allocation?

You have to have a QI who actually receives the cash proceeds from each of the 2 sales, and technically buys the replacement properties, so I assume they would distribute/allocate the funds accordingly.

I would recommend allocating something in your budget to at least consult with them if you don't hire them.

Exemption of specified transfers or dispositions - With respect to a real property loan secured by a lien on residential real property containing less than five dwelling units, including a lien on the stock allocated to a dwelling unit in a cooperative housing corporation, or on a residential manufactured home, a lender may not exercise its option pursuant to a due-on-sale clause upon

This is a completely hypothetical situation, so let me make up some numbers to consider, in 2 different scenarios.1) Purchase price $50,000, 10 of that allocated to the land. 30 years later, fire destroys the building and the insurance pays out $50,000.

The amount you have to allocate to vacancy, repair, capex, ect will totally depend on the neighborhood and/or property. 

I have been excruciatingly selective, re-allocating from value plays into cash flow plays, using prudent debt, and always adding value.

But the code limits deductions to business as much as possible so the deductions are allocated towards productive economic activity, not the tax savings strategies of individuals.

I want to be able to gain wealth through real estate but also don’t want to lack in a market portfolio and loose out on unrealized gains especially because of my youth.What should my allocation be?

When people allocate 5% or 8% for vacancy, they often forget these other expense.