It is very common to buy a duplex for 30k and get 1200 in rent each month .

Water damage is common and expensive.

In my limited experience giving a TA of $$$ at this level of tenant is not very common and suggests they are financial challenged. 

If you'll be occupying part of the property and renting the rest, that also implies it's a multi-family property, which implies there will be common areas that you'll be responsible for maintaining. 

Here is the process I recommend for learning how to estimate rehab costs:#1 Read the Book on Estimating Rehab CostsJScott's 'The Book on Estimating Rehab Costs' is a great resource for new rehabbers to learn how to Estimate Repair Costs on 25 common rehab repairs.https://www.biggerpockets.com/store/the-complete-g...#2 Explore Lowes and Home Depot to Learn About Material PricingTake a tour through Lowes and Home Depot (or their websites) and look at finishes materials and fixtures that you will consider using in your rehab projects.

Being billingual is a big plus tooAmerica is a bit different since everyone has a different ethnic background and foreigners are as common as the air we breathe.

Properties with in-law suites aren't the most common type so you may have to find a place with a finished/unfinished basement and do a build out.

With listening devices, security devices and cameras present in many homes these days, it's getting more and more common for sellers to surveil their property during showings and open houses.Have you ever said (or done) anything during a showing that would embarrass you, or give the seller an unfair negotiating advantage?

If you had asbestos covered pipes there's no other way of going around it, especially if it's a common area like the basement where tenants go for laundry, etc. 

One thing that should be common for all realtors is to look for networking opportunities within your company because that’s really the best and most efficient way to make connections when you’re first getting started.I think eXp realty provides an incredible opportunity for new agents to network.