It will be highly dependent on the district and licensing.

It might depend on what state the assets are in, and what state the entity structures in.

If it is someone you know you can give them a straight return as if its a loan - can provide a lower interest rate to provide upside - it really depends on the lender and what are they concerned with and what is their risk profile. 

For mobile homes, it often depends on whether the property is considered real estate (attached to land) or personal property (if it’s not).

:)Just kidding.1) Stock market: may want to do this while exploring other options, just make sure funds are easily accessible2) Buy Multi-unit: two basic options:- Buy turnkey: may not cashflow for 3-5 years, depending on your management skills.- Buy someone else's problem: can you fix their problems?

You will need different attorneys in different states depending on where they are licensed.  

Cash flow is crucial, especially if you depend on it for your monthly income.Selling the property for $170k, which is above its market value of $120k, might seem like a good deal initially.

If you building 2 , again depending on your lot size and projected finishes. 

That is often a matter of opinion and will depend on the attitude of your municipality.Most municipalities do not require neighborhood approval, but will offer the public opportunities to provide input which will be considered.

@Keith AngellFrom my experience, both a HELOC and refinancing have their advantages depending on your goals.