Basically all rentals, even ones owned under LLC, come up during loan DD as long as you file them under one tax return as personal, that was what happened to me earlier.  

@Richard Benjamin Wilhite, @Bill B.makes some good points about loan terms and the strict identification rules for a 1031 exchange.I would add from a tax mitigation perspective that buying the largest property possible will give you the greatest amount of cost segregation possibility and at the lowest cost since it would be one study rather than several. 

If you need financial help, ask under the "Finance, Tax, and Legal" forum.

Details on the duplex:Price: $385kBuilt: 2012Size: 2674 sq ft (1333 each side). 2 story, 3B/2.5B each side w/ 1 car garage & driveway for both, fenced backyard both sides.Interest: 5.49%PITI: $2,698Current Rent: $1,350 but could be brought up to ~$1,600, maybe $1,700Yearly Property Tax: $8,340 (I don't pay any on my side while I live there so $4,170)Upgrades: Vinyl floor in kitchen of both units, new AC (central HVAC) on vacant unit, roof done 2016. 

Lien, State Tax Lien, Fed Tax Lien.

While many of these issues are important considerations and should not be ignored or overlooked, there are other more crucial criteria that you must question and evaluate first.The critical risk criteria that you must review and evaluate prior to making your final decision on which 1031 Exchange Qualified Intermediary to retain includes, but is not limited to, the following areas:Technical capability of the 1031 Exchange Qualified IntermediaryInternal processes and audit controls to safeguard your 1031 Exchange funds and assetsUse of Qualified Trust Accounts or Qualified Escrow AccountsDecision criteria and guidelines for investment of your 1031 Exchange fundsProtection from potential errors or omissions by the Qualified Intermediary (E&O Insurance) Protection from potential theft or embezzlement of 1031 Exchange funds (Fidelity Bond) An experienced and professional 1031 Exchange Qualified Intermediary will understand these concerns and should be happy to discuss these crucial issues with you.

As mentioned the main downside to using a SDIRA to purchase properties is you get no tax benefit upside (depreciation) and have to pay taxes on UDFI.

Start small with one property, choose a strategic location, stay transparent with lenders, and ensure tax compliance.

They are farily easy and do nto require much to get started and the Max LTV is going to be 75% but I have seen some exceptions to 80%.Rates are subject to a few thing like loan amount, property type, number of units, credit score and downpayment.DSCR allows you to purchase with No employment and No tax returns so its a little easier. 

When you work a 9-5 job, you typically rely on colleagues assigned to you.As an investor, you have the OPPORTUNITY to assemble your dream team of professionals who share your ambition and can help you achieve your financial goals.