Supply and demand goes up and down so a house that may have been priced right then may no longer priced right, now, and so timing is a pretty important component of your pricing. 

I can supply houses for investors to buy and then sell on for a profit.

a) Office Supplies (e.g. stamps, envelopes) b) Software c) Gas/Mileage d) Advertising + Payroll e) Concessions f) Lease loss g) Lease renewal fees12) Lawyer/Law office/Legal fees13) Accounting/Bookkeeping/CPA/Tax preparer/Tax advisorSecond, like you said it depends on the property, if older you'll need larger reserves.

So many gotchas.For instance, SmartCore at Lowes says you gotta have wear through in over 3% of the whole install area for them to even cover under warranty.Stainmaster plank warranty pretty much halfassed-LIMITED LIFETIME RESIDENTIAL WEAR WARRANTYx The manufacturer will supply new material of the same color, design, and grade, if available; if unavailable ordiscontinued, Novalis reserves the right to select and supply similar the manufacturer materials.

If that’s your objective I wouldn’t rely on a the county or a listing agent to supply that data. 

(If you're not sure which way to spin the fan, try it both ways.)If you decide the capacitor is bad, take the old one to the friendly local HVAC supply store and ask for another one.

Also, housing supply is low nationwide.

We supply performing assets at lowest possible prices.

New plumbing is better than old in general, especially if you have galvanized supply or cast-iron waste.

A book also isn't going to tell an investor that a new transit hub just opened near XYZ, and what they might mean for renter supply/demand moving forward 2-5 years.