I make sure that the Security Deposit and Last Month Rent requests are clearly distinguished.

I assume effective age may help distinguish class A and B but otherwise are there any specific items so I know whether I should market mine as A or B? 

If you get a chance Scott, would love some clarification on how it helps to set oneself back a years worth of savings to restart and get on track to 100k.

Get it straight from the lion's mouth.IRS PublicationHow to distinguish between hobby and businessAll I can find is that your home office must meet two requirements: Regular and exclusive use.Principal place of your business.If you manage your business primarily from home and use that space exclusively for that business, then it sounds like it matches.

If there are multiple properties on one deed, ie a house and a garage apartment, I put them in Quickbooks on the deeded property and make a memo to distinguish which building an expense is for. 

How to distinguish themselves from the number on a bandit sign.

Not worth the headaches of violating HOA rules or putting oneself in legal jeopardy to do so, better or equal investments can likely be found.

Came across a great article to help newbies (and myself) distinguish between the two...https://www.investorssudbury.com/single-post/2017/09/05/ROI-versus-CAP-Rate-What’s-the-difference

Newbie question how can i distinguish mutli family homes from SFH while driving for $.

Aaron:It is important to distinguish between small multi-family housing and apartment multi-family housing.