I thought Alexander(OP) only ask for one buy and sell transaction to be recorded in blockchain, but not the whole county.

The very few that succeed are on the phone constantly, have good people skills, can take a lot of verbal abuse, get to the point and are organized and good at follow up.It's a bit harder right now, for a couple of reasons, people with low interest rate loans don't want to give up that low interst rate and wholesaling has become the gold rush of today where the people selling supplies to the gold rushers made a lot more money than the gold rushers themselves.Can you make money wholesaling, yes of course, if you do the work and grind it out. 

The child sells the property for $300,000.

The unit came with a garage, which we were able to sell and use that funds for our next downpayment!

I remember one time buying a buildable 40 acre property, with paved road access for $4,200 and selling it for way more than that.

I sold off market for the first 6 years of my career and sometimes the motivation levels aren't there to get them to sell 

They plan to sell H1 for 3M and plan to move into H2 in the next several months but are worried about losing the basis transfer from H1 to H2 if they convert H2 to primary because they did not buy H2 after selling H1Prop 19 says that for basis transfer, new property must be purchased within 2 years of sale of the current home.

There is significant damage in the attic which would require replacement of the roof and about a third of the rafters.Seller is willing to sell as-is, however, I'm not sure I can make this work. 

The EAT can hold title to the new property for up to 180 days until your old property sells.

Land takes a LONG time to sell.