here are some laptop for 150-250 dollars.

https://www.amazon.com/HP-Chromebook-11-inch-Laptop-11a-na0021nr/dp/B08H6YZY3Y/ref=sr_1_3?dchild=1&keywords=Hp+Chromebook+11&qid=1622403245&sr=8-3

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https://www.amazon.com/HP-Chromebook-11-6-Celeron-X9U02UT/dp/B01HHB8B9Q/ref=sr_1_5?dchild=1&keywords=Hp+Chromebook+11&qid=1622403245&sr=8-5

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https://www.amazon.com/Flagship-HP-Chromebook-Processor-11A-NB0013DX/dp/B08D3X9RF6/ref=sr_1_6?dchild=1&keywords=Hp+Chromebook+11&qid=1622403245&sr=8-6

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This one is on discount from 260 to 120 dollars

https://www.amazon.com/HP-ChromeBook-11-6-inch-Certified-Refurbished/dp/B0776JJJ2H/ref=sr_1_8?dchild=1&keywords=Hp+Chromebook+11&qid=1622403245&sr=8-8

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These laptops aren't super fast and can't run new games but they're good fo studies.

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Also two videos on cheap laptops for studying.

Linus Tech Tips video: https://www.youtube.com/watch?v=IE-LpLibsLA

Dave2D video: https://www.youtube.com/watch?v=sSgqyd2Mcdc

I hope that I've helped