Would receiving the 1099 interfere with my H1b extension or green card application?

It won't interfere with your day job and you can get into deals for $25,000 or $50,000 so you will be able to diversify by operator, market and asset class. 

Your subcontractors will work more efficiently and provide better quality work when they are not dealing with construction debris interference.3.

Values drop, sometimes drastically, rents go down as quality of tenant declines; cost of operstimg properties increase, and governmental interference, especially in the form of rent control, can slash values and profitability severely. 

Tenants have a right of use and enjoyment of the premises, so that would imply that the landlord cannot interfere with the lease premises.

The exception is the Association may, “…authorize such services on the Common Areas as it deems appropriate for the enjoyment of the Common Areas or for the benefit of the Members.”Section 5 – Nuisance – states, “No noxious or offensive trade or activity shall be carried on upon any Lot … which may be, or may become an annoyance or nuisance to the neighborhood, or which shall, in any way, interfere with the quiet enjoyment of each of the Owners of his respective Dwelling…”Feel free to think, “you fool!

In some cases the cash flow may interfere with a choice so we go with the property with the most equity.

Our music often got interference from Mexico. 

Just tell her that she cannot interfere with other's "peaceful enjoyment" 

Avoid investing in cities with high operating costs.Pro-business environment: Companies prefer locations where they can operate smoothly without excessive government interference.