Currently I need some minor electrical work done and a new window installed, but it's always something different.

I can't get there every other day to remove snow or install the storm windows.  

That said, there are certain things I always do, which reduce my headaches and increase guest satisfaction, such as installing electronic locks (I use YGPAK locks which are inexpensive, durable, and easy to program and use...  

Fire needs to be updated between units inside of house which I am going to try to get the seller to install as part of deal , but will probably cost about $3500 at the most.

The only way to do so would be if you utilized an installment agreement to pay over multiple years. and in some cases they can be disallowed as a disguise to avoid taxation in the current year; however, that does not happen very often.

Homedepot charges $0.89/sqft for installation if you buy laminated floor that is at least $1.50/sqft. which equal to $4780 for 2000 sqft.

Homedepot charges $0.89/sqft for installation if you buy laminated floor that is at least $1.50/sqft. which equal to $4780 for 2000 sqft.

I would still need to get a new, separate underground line installed with two individual water lines, and fire alarms and emergency lights installed.

Universally saying that you will only pay someone $300-$500 up front won't necessarily work for HVAC contractors installing thousands in hardware or granite countertops.

I'll tell you as a contractor that has done work for Lowes and Home Depot, expect a 40% mark up on contractor install prices and material.