Congratulations on your pg Nora
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I had my first one at about that time of year, its such a lovely time to have a baby, in fact am a bit
.
Think you have bought plenty already. I too didn't know which way I would feed so bought absolutely nothing to do with feeding as I didn't want to waste my money. If you do decide to bf some breastpads and a couple of nursing bras would be useful, but unless you live in the middle of nowhere you will be able to get these after Lo arrives, same with formula and bottles. Find out too where your local bfing support is.
There are a couple of things I would add to your list, you need to think about where Lo will sleep and what bedding you will use. Mine slept in a Moses basket with a sheet on the mattress and they had those baby sleeping bags.
How about getting some nappies. Don't get too many though as different babies suit different brands and you don't want to buy loads only to find they leak.
I'd also suggest Babycalming by Caroline deacon. It's a great book on babies and is good whichever way you feed your baby. Only wish I'd read it before having my dc1.
Get a sling, I found mine invaluable and stock your freezer up with lots of scrummy meals.
I think everything else is pretty much ok, they don't need much at first, just you! You will probably get lots of presents anyway, my cousin gave birth recently and was given 5 baby gyms.
Don't feel bad because your neighbour is able to buy lots for their baby and you aren't. Your Lo won't care what other babies have, all your Lo will want is your love and attention 