You can use the Nature's Ocean, it is LIVE SAND. Use it to seed your tank, placing dry sand in it as well. The live sand will seed the dry and, of course, the LR will also.
If you are aiming to have a DSB setup, then you will need to provide the "creatures" for that.
There are bargins for everything online, the problem is, with these heavy products, the shipping cost will frequently cost more than the product itself! In NY, you should be able to shop around for a good price on LS.