@Shrigglepuss I say do more with less,
Write lean code, assume you have a very limited memory and cpu time budget. Don't load what you don't need, don't write what won't be read. Don't compute what won't be used.
Pretend everyone is using ten to fifteen year old hardware. With outlook 98, IE, the active-x plugin their bank used to require and malware running, with as voodoo extreme 3dx Hercules with 2mb of video ram and the wrong drivers installed.