Babies don't need much. Shops and books make you think so, but we've just bought stuff as and when needed.
For instance, our 'changing bag' is a £1.50 canvas tote from Primark containing a change of clothes, a couple of spare nappies, a fold up changing mat and some wet wipes.
We never bought a baby bath. As long as the water doesn't make your skin pink, its much easier having the baby in with you.
In terms of toys, he started off with my childhood teddy and a £15 baby gym from Asda. Now that he's a bit older I've dismantled it and just lay his baby blanket on the floor and put the dangly toys from the gym in front of him for tummy time.
A friend lent us a Jumperoo. They are AMAZING!
When your milk comes in, stick Savoy cabbage leaves down your bra to relieve the engorgement. Borrow an electric pump from your local children's centre to draw off the excess when you wake up on Day 3 looking like Jordan Gone Wrong :)
If you tear ... my sympathies ... keep a bowl of cold water by the loo. Poor this over your bits as you wee. If it is very sore (I had a bad infection) keep a flannel next to the bowl for your use only. Soak it in cold water before you pee, and immediately afterwards press it to yourself like a sanitary towel. It will still hurt when you pee but the flannel will quickly alleviate the pain.