The feeding cycle is changing constantly and you will need to add and subtract from your "feeding collection" as you move through each phase. There is certainly one things that will or should last you for a while and that is a good nursing chair and pillow.  They are expensive, but getting the right one will be worth it.

From Left to Right:
1. Joya Rocker;
2. Aden & Anais Bibs;
3. Stokke Tripp Trapp Chair;

4. 201 Organic Baby Purees Book;  
5. Lansinoh Nipple Cream;
6. Grow Diana Dream Breast Pump

Baby Essentials Checklist Feeding Baby