For an investment property, standard financing usually requires a 20% down payment.

There are a few problems with what you said and how you are planning to go about filing taxes for your rental income.First, I think you meant your LLC is operating in a State that is NOT a “community property” State  As a result, you will need to file a LLC tax return with the IRS and State -> Yes, you are required to file The LLC tax return you file (I’d recommend getting help) will include an IRS Schedule K-1 for the LLC parters (you and your spouse).You will need to use these IRS Schedule K-1s to report your rental income and expense on your personal taxes return. 

If you're looking for investment management or advice, Registered Investment Advisor (RIA) is a specific type of firm that is required by the SEC to act as a fiduciary.

In many states building departments are not involved with mobile homes.The old tribal calculation of 1 ton per 500 square foot is being eliminated by mandate through improved envelope effeciency in new construction and required retrofits during remodels.

I just wanted to add:The new Ordinance from City of Jackson Mississippi requires registration of all rental units, the payment of an annual fee of $50 per rental unit, annual inspection by the city, fixing any inspection issues, a fine for late or non compliance.And, it requires out of area owners to have a local PM or agent.I believe the fines can run to be high dollars.

I am aware that lenders require 2 months paystubs for pre-approvals however, they have not been receiving any income for the past year due to being on sabbatical. 

Maria Elena Durazo, D-Los Angeles, that would critically hinder your ability to effectively manage and invest in rental housing in California.Here's how SB 567 could negatively impact you:Restricts your ability to move into your property: This legislation introduces a restrictive definition of an "owner," potentially preventing you from moving into your own property if you or your family needed to do so.Obstructs essential repairs and renovations: The bill could obstruct your ability to repair significant property damage or to conduct necessary renovations, even when tenant safety is at risk.Complicates property sales and investments: The bill introduces unnecessary obstacles if you're a small property owner looking to exit the rental market or sell your property.Your urgent action is required to oppose SB 567.

Buying real estate, especially off-market deals, requires careful consideration to avoid scams.

I've been advertising on Facebook for years and just keeping up with their changes alone requires a good amount of attention.  

The reality is the more work the strategy requires, the less money.