For a concrete example, this (long) flight from DUR-MIA-
https://www.google.com/flights/#sear...c=b;a=ONEWORLD
Earns in the neighborhood of (doing quick math here):
EQM- 36,000
RDM- 52,800 (for an EXP)
EQD- $4,800
For just shy of $1900 spend.
You do, yes, have to start in DUR, but there are some cheap fares to get there, and if you're good, you could split this trip into 2 different weeks or months to make it more enjoyable.