If anyone wants to buy a grid of nine, they can pay for eight and get one free.
If anyone wants to four, there can be a 5% discount.
Anyone who does not want to pay the total all at once, can join a payment plan of $100 or $200 per month until the total is paid, by agreeing to automatic payments.
Plus tax.
I will let you know the actual cost of shipping wherever you are.
The cost of a custom shipping container will be around $50.