Save your pennies then try to buy as much as you can at once. It'll drive you crazy waiting to get enough money together or motivate you to get the additional hardware later. Been Der, dun dat. I'm waiting for some parts now and Winter is coming up too quickly as it is, a balmy 43 degrees this morning with frost dreeze advisories north of me.
I've done Winter projects and go stir-crazy waiting for the ponds to thaw.