If rents are declining in the area, you will likely have to drop your rents to keep units full.  

Running a self-service car wash may not take much in the way of experience but as noted above, there are a number of maintenance/supply issues, etc.I would also strongly recommend getting tax return information for historical performance.

Regular inspections are a good way to check if furnace filters are cleaned, smoke alarms are working, etc.

There are a lot of great licensed and experienced pros on this site that are happy to answer basic questions, but don't turn to an estate planning attorney on here and ask them to prepare your will for free in the DMs.

Here are a few suggestions on how you can maximize the wealth of information available: Check out the blogs and podcasts, or take advantage of the search feature (magnifying glass).

I know that your question is general, but if you seek someone in the Philadelphia area, DM me. 

Hi all,Looking at some areas in South Florida for a SFH.

Rentals are a $300/month gain on your investment type of proposition.  

Best in the area!

What do you think about the area compared to Saint Petersburg?