They can get you pointed in the right direction as far as business licensing, insurance, drug testing, rules and regulations, etc.

And don’t rule out 401k loans for up to 50k.

The minimum time that lenders like to see you living in a primary residence is at least 12 months (although there are exceptions to this rule on the grounds of “life altering events”). 

@Neal Daftary there are some great comments here and I would have to agree with @Gregory Schwartz the best rule of thumb is to keep it simple and tailor it to your investment strategy.

Are there specific rules around sharing website links away from BiggerPockets? 

This can be a game-changer, especially in neighborhoods like the South Loop or near revitalizing areas like Pilsen, where property values are expected to rise.Improvement Exchanges: Recent IRS rulings allow you to use exchange proceeds to make improvements on a replacement property while still qualifying for 1031 deferral benefits.

This does happen a lot in my area and if the person is licensed and follows the rules of everything on the transaction, you should be good to go!  

Make sure your lease stipulates its a "shared property" and list all the rules to make sure they toe the line, garbage, one vehicle(where parked), noise, no personal items in yard, everything you can think of or choose/whatever.

The rule of thumb is this one selling anything: get it out to as many people as possible.

I received an almost identical letter from Texana Bank.