I have no idea where this has come from but I feel totally unprepared for this baby all of a sudden

I only have 3 weeks left in work which means only 3 pay days and as i'm not entitled to anything I am really worried.
This is what we have so far.
6 drawers full of baby clothes (babygrows and vests), mainly 0-3. Some new born, 3-6 and 6-9 months
We have bibs, muslin squares, socks
Cot, bedding, mobile, pram, car seat, changing unit/mat, bath, towels.
4 packs of nappies, wipes, nappy sacks, toiletries
What I need to get
Hats
we have hardly any outfits what so ever
mittens
booties
paint for the nursery
and things for my hospital bag..........
Why do I feel so unprepared?
Megan Lily-May 12.10.03 7lb 1.5oz 10:33pm our Sunshine baby
Cai Nigel-John 22.01.10 1lb 9oz 3:45pm our Angel baby
Abigail Jacqueline-Rose 21.08.11 6lb 7oz 9:47pm our Rainbow baby