Originally Posted by cityflyer369

A different way to make the same point: FB miles are rarely worth significantly more than 0.01 EUR per mile (there are some exceptions such as the occasional short-notice intra-European award flight, some one-way flights, some overpriced AF First class flight or some lucky promoaward, but there are also plenty of examples where a mile gives you a value that is much less than half a cent), so if you spend significantly more than 1125 EUR on 112500 miles, you are likely not to recover your money from booking awards.