I dunno why folks are giving you such a hard time
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Pay for the RAM upgrade. Your laptop seller gets it cheeeeap now.
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Upgrade the SSD yourself. You can put the old one in a dirt cheap enclosure for a gloriously fast 512gb USB drive. SSDs are dirt cheap
I can’t give you where to buy SSDs down under, but use this to sort by price/GB.
https://au.pcpartpicker.com/products/internal-hard-drive/#D=1&sort=-ppgb&page=1