You are offered $1000 one day, following by daily doubling, but there's a catch

For sure, my reply also followed reality constraints.

Not that everything isn't contextually real.

Nonetheless a hypothetical proposition remains so.

Therefore if everyone took $1000, who is going to stump up the $8,000,000,000,000.

You should play that out for a month. It will build up enough capital for other things.