@David Matthew, ROE is important. 

Think about the things that would be important to you whether you’re a single individual, family, student or employee and decide what areas provide those things.

For me having that capital available for a deal is very important.

Speak with the Community Manager, or try to meet with one or more board members to gauge their attitudes on your investing ideas.Very Important:  check to see if there are any current or in-the-works special assessments. 

This can be a useful tool in situations where a tenant is uncooperative or unwilling to leave, but it's important to approach the process carefully to ensure that it's successful. 

If you're new to this, it's important to get to know the market inside and out. 

Verifying last 2 years of rental history very important!

In my opinion, the modem is less important than the router.It's also important to have dual band router. 

I can't stress the importance of working with good attorneys and title companies.

This is part of the process and really the most important part, albeit annoying.