I don't send that many pieces yet.

The only way to know for sure is to (carefully) get a piece of the tile off the ceiling and get it tested.If the tiles don't contain asbestos, then you can pretty much do what you want. 

We always invest alongside our investors, in which case we just get a proportional piece of that 75%.

Per Lumber Liquidators, Utility Oak Grade Flooring is:"Utility grade flooring Will have defects, knots, open knots, missing tongues, machine burns, splits in the wood and short pieces (12"-8").Sold as is-no warranty, no returns, no cancellations.This product comes in square-edge or v-groove and may be mixed product.

If you have space, I'd keep your leftovers...we've always found a use for all the bits and pieces. 

Is this still a profitable piece of business or not?  

You have offer and acceptance but not the consideration piece until you have possession.

(Great for follow ups)(These response rates are the averages we have seen and the actual response rates highly depend on your market and the competition within your market.)Direct mail tends to work best when you send a campaign of 5-7 different pieces, 4 weeks apart from each other.

I know I'm likely missing key pieces of information, so if you need more info, just let me know.Alexander

I posted my views about another Trulia/Zillow piece here on BP .