You'll typically need to set up your account and get familiar with the process of working with the local housing authority.

Beyond real estate investing, BiggerPockets Money has great episodes on how to avoid the middle class trap with your investments - ie how to structure your investment best so that they're not all locked up in accounts with penalties until you're 65. 

Just remember anyone who has acted as your employee, attorney, accountant, investment banker or broker, or real estate agent or broker within the 2-year period ending on the date of the transfer of the first of the relinquished properties is considered your agent and is disqualified from being your QI.So definitely ask them for recommendations but they cannot act as your QI on the exchange. 

Bonus if you do any of this in a Roth account.

Make sure to account for property taxes, insurance, and any HOA fees, as those can vary significantly in different markets and impact your cash flow.

Bought a triplex in 2011 with all cash in my retirement account.

These qualities are far more valuable than the numbers in your bank account.7.Set clear goals.

I actually had this account from years ago, before my Realtor days and before my mortgage lending days.

Nature campaigns, direct mail, text services, accounting, etc all in one place. 

Here in Canada, those taking a fixed-rate, fixed-term mortgage will typically be allowed 10 - 20% prepayment per year and an increase in payment size also of 10 - 20%.