If I was having an addition done, I would consider dried-in state - foundation, doors/windows in, framing done, roof in place and shingled - as 50% complete.

@Justin Reader here's more help.Say the average water bill is $60 a month.Split it in half and then add 10-15% to cover excess use.

inside the unit inspections on rentals has been only on accpeted contracts for the last 25 years that I have worked in the rental property space.One 100 unit property i brokered even at inspections it was only 25 % of the units they could get into and it was only kitchen and bathroom dry rot.. 

If the roof is leaking you definitely want to dry the house in first.

'On on before' then with an exact date specified seems pretty cut and dry then but contacting the title company and your agent would be best, agreed.

The leak was in the dry wall and it is a Copper pipe. 

I definitely would approach my son in law as to why the excessive charges.

The basement is partially finished, but the big pieces I need help with are updating a half bath to a full bath (add a shower), turning a dry bar into a wet bar (adding a sink), and moving bit of hvac ductwork.

Is it: 1) 20% Down on 1st Property 2) Renovate 3) Reappraise Property (pull excess cash out, for next purchase down payment) 4) Save profit cash flow towards down payment for next purchase.

So we have excessive consumer savings, pent up demand and low supply.