Where to shop all the essentials and furnishings for new home?

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I'd advise you to take it slow. You could buy everything in a few weeks, not like half of it and end up replacing it over the course of the next year or two.

For the necessities, consider second hand which would will be able to re-sell at similar price when you find things you actually want to keep long term. 

Do it right or you'll end up doing it twice.