How to manage long distance STR as a newbie?

[Candor Real]

We are looking to buy our first short-term rental investment property, which is 3 hours away. Both my husband and I have a busy day job and we have a toddler. I would like to get some advice on how people manage their short-term rental properties that are far away and ensure they have positive cashflow. 

Also, any other tips on buying long distance investment property are appreciated!