Cash and jewelry should be placed in the safe or locker which opens in the north.It results increase in wealth.
All heavy machines, equipments etc. should be kept in this part of the house. Old goods can also be stored in this direction.
If you find your expenses beyond control, place live plants or grains in the toilets, these keep the money from going down the toilet, because symbolically growing things reabsorb water energy and keep it recycling.
Hang a mirror to reflect your cash box or locker. It symbolically doubles your wealth and opportunities.
Vastu Shastra suggests that place a birdbath or feeder in the yard to attract wild life, which will increase the amount of energy around your home. Birdbaths and bird feeders are wonderful acts of cleaning up your finances and attracting prosperity from all directions.