Most can not afford to take a day off work and go to the auction and pay cash. this way they can buy it from me over 6-12 months and I doubled my money.

There are few other strategies that are not listed here, but I would also look at city auctions, sheriff auctions and find a property that may be within the conditions/boundaries you both are looking for.  

Suppose the first mortgage holder forecloses, the property is sold at auction, and the mortgagor redeems the property within the redemption period.  

Please read it and let me know you're thoughts. https://www.biggerpockets.com/forums/41/topics/485861-new-york-and-new-jersey-court-auctions?

I went to the auction, I did not win the auction, but that was okay.

That is, negotiate the best deal you can, then put them under contract with the right of entry, right to market, and a contingency such as contingent upon successful 3rd party assignment, then take each property to public auction and flip them for quick lump sum profits.

What kind of risk factors would cause a tax deed buyer loses his total amount of tax deed purchase after the tax deed auction sale?

My question is: If a home is purchased at the foreclosure auction; when does risk of loss pass.  

They are providing owner's title insurance on a piece of adjudicated property I am purchasing TODAY through an online auction.

We have used it to buy dozens of foreclosures at auction and market to pre-foreclosures.