Things are very different in person then they seem online, x100 for someone from CA going to say the midwest.

They'd have to search in two places and probably would have to know what they're looking for.For most people, this doesn't matter. 

It probably really doesn't matter much but I'd really like to know what they paid for the property.

Do you go to a physical auction or buy online from sites such as auction.com?

I typically spend up to 20% of my commissions on lead generation online and off.

Condition matters some but it isnt the only thing that drives price.

No matter who you call, they will always tell you they know how to handle real estate because no good business person is going to turn down a customer, but that's where it becomes frustrating. 

Show separately for 2017 and the 3 preceding years: gross sales, cost of goods sold, gross profit, percentage of gross profit to gross sales, amounts collected, and gross profit on amounts collected.It seems, after reading this, that your solution would be the correct one - enter the gross profit for each year on Line 1 of Schedule C with a separate statement attached to the return describing the installment sale and how you arrived at the gross profit. 

So my current posit is the same as all flooring: prep-matters!

Just like office colleagues, we are cordial but it’s a strictly business relationship.I don’t want to know about their personal matters and I don’t want them to know about mine.I am cordial and reasonable so that they would want me to have their landlord but my cordiality would never be at the expense of my business.Thanks,Animesh