Definitely hire one for a property damage claim, auto claims its not necessary.

The best thing about setting up loans is not only do you make money (and cannot lose money)- perhaps the best thing is how much you learn as a loan rep (especially if you are new to real estate).

Insurance agents, title or attorney reps, lender, and general contractor and property manager!

Either an in house maintenance person with HVAC certification or you have to hire out subs for the various jobs.You can always contact PM companies and ask them what they budget per unit for maintenanceGino

Hire a property manager.

Once you've scaled to 40-50+ units, then you could hire an in house PM and that could cut the costs. 

Otherwise, as @Nathan Gesner points out, it can be MORE expensive than hiring the right professional.ALSO:Recommend you first figure out the property Class you want to invest in, THEN figure out the corresponding location to invest in.If you apply Class A assumptions to a Class B or C purchase, your expectations won’t be met and it may be a financial disaster.If you buy/renovate a Class A property in Class D area, what quality of tenant will you get?

@John Arena you may want to review your property management contract in detail to understand what services you hire them to perform.We find that many STR PMCs are NOT really PMCs, but are Guest service companies. 

See if F-Street/The Hard Money Company is hiring. 

I am not a plumber, but I have had my fair share of this, and most of the time, you can hire a plumber to snake & jet the line.