Very closely related: How should I sand before the final coat of polyurethane?
However, I'm not asking for a how-to or which is the preferred tool/method but rather one specific tool and if it's an "ok" approach to take.
Assuming I already owned a 5" random orbital sander (similar to below example image), would it be realistic to use it with 220+ grit sandpaper rather than a "full-fledged" floor buffer, at least to the level where I can use it between a few coats of poly and still achieve a good finish on the final coat?
I'm not really asking if it's necessarily practical, but more as a cost saver while also being able to achieve a decent result (plus I don't have the level of experience with the larger equipment as I'd like/be comfortable with).
From what I've been reading, poly doesn't seem to need a whole lot of intense sanding between layers and just a little roughing up for subsequent layers (by all means correct my if I'm wrong here - would rather be berated online than ruin a perfectly good floor).