i would suggest using something like IDINE which gives you 10 miles per dollar spent at tons of great rest. and bars everywhere to "bring up" those accts to some level like 5 or 10k. Some airlines often do money and miles specials using these rounded amounts and in other cases, you could transfer at least 5k to something like HHilton and then get free rooms eventually. Read in here the many posts having to do with all these things!

then, use just the carrier(s) that you have many miles on and let these go by the wayside. That's what I am doing.

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If speed is not your thing, distance may as well be. Enjoy and embrace it all!