A classic paper worth a read:
If money doesn't make you happy, then you probably aren't spending it right
by Elizabeth Dunn, Daniel Gilbert, & Timothy D. Wilson
https://www.sciencedirect.com/science/article/abs/pii/S10577...
Includes explicit recommendations (even in the short abstract)!
Books on happiness (research) have become a bit of a thing in recent years, but Dunn seems to have published one of the earlier ones in 2013:
* https://www.goodreads.com/book/show/15803098-happy-money
I'd also recommend Morgan Housel's various writings:
* https://www.goodreads.com/book/show/231148075-the-art-of-spe...
He had an interesting observation: the popular saying "don't spend money on things, but on experiences" only goes so far. Spending on things can bring about experiences: the big house/cabin/cottage per se may not bring you happiness, but if it's a place that you can gather family and friends, that can bring happiness/meaning. His first car didn't bring him happiness because it was a car (and not even fancy), but because of all the road trips he did with his friends in it.