Laws vary state to state, but in our state you can discriminate equal housing based on amount of children.

HUD has the same bid periods in the entire country but they can vary according to property type.1.

Landlord tenant laws vary by state.Sounds like they blew all their money on the holidays and new year.

The legality may vary by state so check if that is your intent.

It certainly can't hurt, you may have to pay for a service call which the cost varies by contractor but a little spent now can save a ton of headaches later on.Most contractors around here for something like that would charge a 1 hour labor fee. 

Does the answer vary depending on if I'm planning to make that my primary residence or if I decide to stay in my area and have the property be a long distance investment/rental?

I would offer the seller 2 options (numbers can vary):1.

If you price it right and it's in good enough condition - it all varies, but you should be able to rent a property out within a month.

The behavior & returns of those different assets will vary. 

So TIN, propstream, etc its always going to be hit and mis for each data type and may vary over time since as Ross mentioned a data providor being good then going bad, then re-negotiating or change data vendors then improving so the data business must result in an operator having no hair