Quote from @John Fleming: I don't have any personal recommendations, but something below may help you in the search.Start by going to www.narpm.org to search their directory of managers.

For example, a property in San Diego may lose $500 per month ($6,000 per year) but gain $60,000 per year in value, making it worthwhile to "lose" money each month in exchange for long-term gains.I recommend you start with BiggerPockets Ultimate Beginners Guide (free).

Does this structure make sense for investors, or would you recommend different terms to make it more appealing?

I'd highly recommend house hacking in your local market since you're in one of the highest cost of living areas in the US, especially if you're renting currently and planning on staying in the area for 5-10 years.It sounds sexy to go out and invest out of state for your first property.

When starting out, I’d recommend focusing on one or two markets max.

Here's some online software options that you commonly see recommended on BiggerPockets.

Pool heaters are expensive but necessary Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

Expanding your portfolio, streamlining tenant management, diversifying income streams, building a network, and planning for growth are also recommended.

I wouldn't recommend this for research purposes. 

Any particular companies you’d recommend?