Real estate guarantees a source of passive income, and you can opt to use the investment as your retirement package.

After years of relative quiet, appliance-wise, we had to replace two refrigerators and a dishwasher in three different units.Both refrigerators, different brands, from different sources, arrived faulty.The first wouldn’t cool.

Is there a website or other source of information where I could start to get some basic knowledge on the US housing market rules and tax laws? 

You just have to go with off market leads either from wholesalers or from other sources you come up with (i.e. foreclosures lists, probate filings, etc).

The best lead source I ever found is propertyradar.com and it can do so many things for you it will take an hour to explain.

I always tell the tenants that communications is critical and to keep us informed of their progress.

A very good source of local analysis is rereport.com 

What are the best sources to receive local real estate data I.e( market inventory, average days, median sale price, etc)?

Its at the base of Maslow's hierarchy of needs. https://www.simplypsychology.o...Since housing is critical for all people it has generally been favored by the government and blessed with tax incentives to provide this critical need.

How are you sourcing your notes?