I would like to compensate them by paying a bit extra, but what amount is too little and how much would you say is too much?

Buying smart is always the best option, no matter the speculation of the market, so if the numbers work for cashflow today with a fixed rate then buy it. 

$6800 is 2.429% of your loan amount.

I am debating to buy fix and list. 

Depending on how long the engagement is (as that effects the amount of interest paid) I end up getting more of a 60/40 overall split. 

Admittedly know nothing about solar panels, but inserting your favorite ‘state with the least amount of sunny days in the world’ quote, is it viable in our area?  

Because of this, there are a fair amount of hardwood floor refinishing companies, which keeps refinishing costs down.

30 year fixed rate MortgageHow did you add value to the deal?

Your work is worth a "dollar amount" to be credited towards equity.  

It is one of my favorite topics to discuss, especially in the current environment where people need to be very careful where they place their money and do a significant amount of due diligence.