That's an average value for a SP. But, as others have said, it depends on what you want to do with them. If you want to stay in NYC or Boston over Christmas or stay at a ski resort in the winter? You'll probably come out ahead v paying retail.
The best returns are usually realized in major metropolitan cities where everyday rates are in the $300s, including Europe.
Absent a solid plan and some number crunching, I'd pass.