That's puzzle piece number 1.Puzzle piece number 2 in the 1031 exchange is your reinvestment requirements - in this case you sold for 500K so you must buy for 500K.Puzzle piece #3 is that you netted after mortgage pay off 100K in cash - So you must use all 100K in the next purchase or purchases.So now just run the scenarios - your potential tax bill in CA on 100K of profit could easily be  30,000 or more.If you do a 1031 and buy for 500K and use all 100K in cash then you would pay no tax.If you do a 1031 and buy for 400K then the IRS perceives that as taking 100K in profit called boot (yes you might say that it is a return of capital or whatever but they have nuclear weapons and you don't so their interpretation wins).  

To me the next Tech Growth curve will be on the "Weaponization" of these technologies into the "Physical" world. 

They are weapons against the alienation and loneliness that prevail in any community in which nothing, not personal relationships nor physical familiarity, ever seems permanent.

Any animals should be crated or removed from the property.Hide or remove valuables, weapons, prescription medications, or anything that someone may be tempted to stealYour lease transfers with the sale.

You become the SME (subject matter expert) and then weapons go hot, execute. 

My cold caller Regine had a million questions and I had to run around to get my weapon and armor issued to me and get network access.

No need for that, there is usually a weapon in the back seat.Open carry?

Throughout history the IRS has even been weaponized for political reasons, targeting specific groups for audits.

Hi David,Debt is a double-edged weapon.

I replied "watching Lethal Weapon".