They get extra sun and produce a lot more limbs and thus knots, lowering the value. 

Here's a link to the data:  https://mred.stats.10kresearch.com/infoserv/s-v1/vwxD-yIT2.

It could’ve just be my personality, but I always felt a little reluctant to be extra friendly if the other side did not reciprocate.

For example, this can be adding square footage, adding an extra unit, or adding a pool in a STR market/luxury market.  

Some companies might charge extra for maintenance coordination or inspections.

Even simple extras like local guidebooks or maps can make a big difference.

You definitely would want to read through the county laws again.If you don't want the extra load up front, best to wait until you get the license.

The very basics would be getting your furniture and shopping list together, keyless entry like Schlage (with backup lockbox with physical key very close as well), looking into insurance, local taxes for STRs, and moreAlot of ways to save time and make it easier to self manage with a property management software like Hospitable and data research like AirDNA.

We all know what goes on in bathrooms and what kind of extra care they need.

It may sound nice to pay a 6% management fee but the extra fees can add up to be more than the other company that charges 10% with no additional fees.