FlyerTalk Forums - View Single Post - Timing trick (unlikely to work)
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Old Aug 29, 2015 | 2:58 pm
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MSPeconomist
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Originally Posted by sethb
Year 1
Enough MQDs for Silver.
Amex spend $25,500 (just enough for waiver)
130,000 MQMs.

You make Diamond.

Year 2
Early in the year, refund $1,000 on Amex. Retroactively, you only made Silver last year.
You now have 105,000 rollover MQMs.
Earn 21,000 MQMs and spend $26,000 on a different Delta Amex (for the waiver).
Result: two+ years of Diamond for 151,000 MQMs total.
Why the different DL AmEx card? Should it matter?
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