Laptop or desktop for gaming?

laptop or desktop
my brothers are currently building on our house so it is likely that electricity could be disabled that actually happened 3-5 times but rarely happen and i don't like that so in this case a laptop will help

but the desktop could be upgraded later and so much cheaper

as for buying it
first of all i don't trust websites ok? Don't give me links
and i'm afraid i will be stuck with half of the parts and not able to find others

my budget is $2600
keep in mind shops might take more than the parts

simply a desktop or laptop

MAKE SURE YOU READ All OF THE ABOVE OR YOUR ANSWER IS POINTLESS AND WON'T Help AT ALL
Added (1). there was no need for earning points spam

if you have something to say just say it if you don't why say something will not help at all to give yourself a few points?

and as for the afraid of not being able to get all the parts as i said i'm going to find parts in shop by shop near me

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