In order to keep the liability protection on the homes owned through the LLC, I need to maintain "separate identities" between myself and my LLC. 

This is a separate loan product from conventional (Fannie Mae and Freddie Mac loans). 

The units are currently rented separately and with a rent increase on the back unit, it is a great deal. 

Plus, these laws change so much they make us take two separate legal classes every two years to make sure we stay on top of them too. 

@Eric EckmanI am at equity trust, however other companies allow self directed IRAs with check writing.As others have said, you have pierced the bubble in not keeping your individual vs Ira separate.

I just purchased a 4-plex, but the previous owner does not have separate addresses for each unit.For example, I pushed 123 MainStreet and I want each unit to be represented separately, 123 MainStreet Unit A.Do I need to do anything official with the post office or city?

Some associates at home depot may recommend the "polyblend plus" (has orange coloration on the bag) because it has additive mixed in to the powder already and you don't have to buy separate liquid additive.

The company has the ability to add up to 6 separate advertisements on 1 face of the billboard.

The amount you listed at $4300 should be deductible, whether you're filing jointly or separately as you're under the limit for both for 2021 tax guidelines- $10K filing jointly and $5K filing separately. 

The company has the ability to add up to 6 separate advertisements on 1 face of the billboard.