Many of our books over at the BiggerPockets Bookstore take a look at a wide range of  specific strategies, rental investing being one of many.I hope this helps!

Another question I would ask is if you plan on keeping these properties why not leverage them to an extent?

At the south end of the property are 15 acres set aside for an elementary school.....Most of the talk (at the recent meeting) centered on the recreation area that will include a soccer/multi-purpose field as well as tennis courts and basketball courts, rest rooms, and parking over a 6.25 acre parcel.....Grand Avian Parkway will have a five-foot wide landscaped median, 5-foot wide sidewalk on the east side and an 11-foot wide bike path/trail on the west side.

Some markets can have widely different operating expenses like property taxes and insurance that can have a big impact on your cash flow.

is Texas wide from the Real Estate Center at Texas A&M.Ocassionally https://www.baylor.edu/business/kellercenter/ has some interesting stuff, but maybe more academic and less "news" than some of the other sources.

In the past I have owned a couple rental properties but that is the extent of my investing so far.  

House expenses are about 2%/year (cost of new appliances, etc).If all those assumptions hold true to some extent, we would be making ~8-10% year, which is way above an ETF standard investment.

@John BobyYour LLC only provides protections to the extent the corporate veil cannot be pierced. 

There can be a wide variation of who attends each time, so I would give it a few months and see if it makes sense for you. 

Distributions to the extent of earnings and profits (E&P) will be dividends and taxed.Then you have to consider the accumulated earnings tax (AET) if you try to get around the double taxation of dividends by not taking them.Usually rental real estate is best held in a disregarded entity or partnership.You might be "spending a dollar to save 25 cents" here.