Back-to-school shopping is more expensive than ever

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Back-to-school shopping is getting underway in the US, and families are preparing for a bigger bill.
Grade-school families plan to spend $849 on average, up $59 from last year, according to a survey.
Electronics had the biggest spending increase of any category, and half of families plan to buy a laptop.
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The back-to-school shopping season is at its peak heading into August, and families across the US are braced for a new spend