University student struggling a lot financially

My family is in a hard situation financially, where it is stressful to buy a new place to live and my tuition fees

• Country

Canada

• Budget

$550 CAD/$394.52 US, but as cheap as possible

• Are you open to refurbs/used options?

Yes if I can trust the item won't fall apart in 2 months

• Screen size

Any, preferably within 14-16

• Weight limit

Any, but preferably light

• Purpose

University requirements basically, plus some light gaming

• Form factor

Any, preferably classic or 2 in 1

• Intended usage

mainly google docs type of apps, light browser gaming with maybe 1 or 2 simple downloaded games, youtube and posting some private videos, video calls. Basically like working from home type of laptop.

• Desired battery life

Decent battery, maybe at least 4

• Please list, in order of most important to least important, the priority between Size, Weight, Performance, Battery life

Performance>>>weight>battery>size

• Info/Requirements

Idc much, even a chromebook would work. i asked someone who works at the school and he said many students use a chromebook for their work.