Assuming you get that part sorted out, decide what you want out of your money and choose the method that gets you there. 

If anyone could tel me what the market is like out there and where are the best areas (most recommend) to buy a sort term rental property 

The barrier is the control of the MLS, and, in spite of assertions that compensations can be negotiated, that control coupled with collusion has created a sort of cartel effect.What would be great is a national disruptor.

I tackled the tenant issues head-on, sorted out maintenance problems, and spruced up the property to make it more attractive.

I tackled the tenant issues head-on, sorted out maintenance problems, and spruced up the property to make it more attractive.

Like you said I have to do my research on out of state markets and making sure I will turn some sort of cash flow !

I want to point out something about what @Theresa Holl said.All those things are very cool and would be nice to offer, but they would constitute significant services which will change your taxable status.So you really have to balance those sorts of special experiences or offerings.

If you are working directly with sellers, my best piece of advise would be to find out what they need, generally there is a pain point or some sort of distress either in the sellers personal life or with the house itself.

Anyone any experience with this sort of situation?

It is a lot of money so I imagine there should be a contract of some sort.