Shopping - First Year Essentials

Ladies,

I am living in London and my cousin is coming here from US. She has two empty luggages for me to fill 🤗 I lived in US before so I know how things might be cheaper there from UK. 🤑🤑

I am a first time mum and I am not sure what baby essentials are. 🤷🏻‍♀️🤫

You guys are the best so I haven’t asked thought about asking anyone else! 😎 May you please share your experiences give me some ideas (for ladies in US, like best ever products you used in first year) so that I can maybe save a few pounds? 🤔😰

Many thanks in advance!