Get inventory or supplies from vendors.
Vendors who sell inventory and supplies will do all they can to help you buy their products. As a start-up, you may be able to get vendors to agree to give you 30-60 days to pay for your products or supplies.
Get equipment from a leasing company.
There are lots of businesses that will lease you equipment for a monthly fee. This is a great way for a small business owner to get needed equipment without having to pay the total cost up front.