If you had a substantial amount of cash...

[CurlewKate]

..and had to keep it in your house for a week and you didn't my have a safe, where would you put it? Hypothetically.....

I'd buy a litter tray wrap the cash in a zip lock bag and cover with catsan.

Nice try, burglar!

Not really - if anything, what this thread has done is give them dozens and dozens of time-wasting red herrings.