Duplexes, triplexes, or even small multifamily properties can provide consistent rental income while appreciating over time.

I have found that the returns match or beat the returns from active investing and it's easy to figure out why - I am hiring professional asset managers to manage all aspects of my investment. 

Some spots in the country just consistently go up in value

Has been a consistent LTR for over 15 years now!

If I let them run loose it would probably be 5k-10k a year in unnecessary costs.Also the work does come in spurts so it isn't consistent.

Seems like this problem is from all aspects and not just one real estate strategy.  

Mobile home parks can provide consistent income, and if you manage it well, they could become a significant source of cash flow.

I'm not sure, but I would think that could also apply for when a contract is not consistent with the law.

If you consistently analyze properties, recognizing a good deal will be much easier when it shows up.

I've been reading a lot of threads on here pertaining to which property management software works best, but so far my understanding is that both of the above offer unique aspects that the other doesn't provide;  Would it make sense to use both?