If you have $10,000 then $9,000 to invest in the 5 pllar system and $1,000 for cash.

So you can use the cash for a new project and you have to take care that profit from a product will go back to the cash. So the cash is always around 10% of your spare money (money what you can loose).

Don`t put the cash on a bank but buy gold for it because gold is inflation proof.