If you're as spoilt, fortunate and travelled as we are, you'll know a lot about hotels, because you'll have stayed in as many as we have.
Location is always of paramount importance. During my hippy days, I stayed in cheap, backpacker places, varying from downright sordid to utterly magical, like one high in the Himalayas facing many of the world's tallest mountains across endless chasms of space.
In Paris, there's a pension behind the Deux Magots