There's some listing of the expenses being done at https://youtu.be/nP2vtDLTAgM?t=412

  Listing $1
  Taxes $400
  Deposit $5,600
  Renovations $60,000
  Flights $10,000

Earlier they talk about taxes + fees totalling about $3,000. A few seconds after listing the expenses they cite a Forbes article, where one residents expects to spend $124,000 to renovate their place.

They talk about some of these homes requiring at least $17,000 of renovations to be done.

The houses are sometimes auctioned off, starting at $1, but they may be sold for more than $20,000.

The deposit is refundable if you start renovating within a year after buying the house.