When buying a property with 20% down, your appreciation is based on 100% value.

I imagine Airbnb (the company) has their own wifi.Wifi router just takes the incoming internet signal from a modem (cable or otherwise) unless you have a combo unit.If you have a hardwired incoming internet cable then you can use almost any wifi device.

Based on the above projections I receive, I then "run the numbers" to see where I project to end up each month. 

The profit should be split based upon whatever agreement the two of you come up with.It would be unfair for you to put in the majority of sweat equity as well as the training involved to have a 50% profit split.

payment based on performance?

If you are going to do this type of business make sure it is in an area you can visit or make yourself familiar with, you have someone that is representing YOU at the table like your Attorrney, and you don't make decisions based on "we need to wrap this up". 

Tons of rating factors that impact the price from one property to another.I say this without even considering coverage, service, and what you might want as there are usually choices to be made.Your best bet is to work with an independent agent that can provide advice along with multiple options for every scenario so that you can find the best value in each situation.

Installation of a separate electrical service for an apartment.4.

You'll likely want to start with reviewing the requirements under Prop 19 for retention of the base assessed value when adding a child to title, and also look up the rules for a basis step-up at death. 

I've been searching online for trying to find a loan servicing company that provides the services in Florida.