How do you evaluate if a property is ideal for flipping or if you should keep it as a rental?

It is definitely odd.

That seems a little odd, I still send out text messages and I dont have a website.

First time STR host here. My property is located in a C+/B- neighborhood has the following landmarks nearby: -1.5 miles from a major university with a popular D1 NCAA college basketball team-1.5 miles from a children'...

Some of it can be temporary, but ideally you'll want to be in markets where it can be sustained (ie. have barriers to entry). 

When you own a couple of units, the odds of there being unexpected vacancies that overlap each other are usually low, but when you acquire more and more real estate, the odds of tenants moving out around similar times increases. 

What do you want your ideal life to look life?

Quote from @Tove Fox: I live in California and am interested in purchasing my first investment property in an A or B neighborhood in one of the above states, ideally under $300k.

Its not ideal.

Ideally, you want something in writing, but that is probably unlikely since no one will want to stand behind a not-yet-final number.