For instance, a shoe - selling website
put out a free ebook that actually had a
number of useful things to say about finding and taking care of shoes, and that went into a
fair bit of detail
on topics that weren't otherwise well - covered in my index.
However, if you are thinking about buying miles, acquiring miles via a shopping portal, or even
putting spend
on a miles earning credit card, the
fair trading price is a good
number to use to estimate the worth of those miles.