I too did multi-cycle (too old for shared risk) for two reasons: emotional sanity and also because of the chance that the first cycle would not work and I would at least get to a FET (expensive in its own right) or a whole new IVF.
Reality: First cycle worked for this 41 year old. However, I am still pregnant (5 months in) and still not feeling assured that I will get out of this with a live birth for several reasons. TBD.
Reason I felt I might get to a FET was that I had a few medicated IUI cycles and new I was a great responder and there was a chance I'd have eggs to freeze. Turns out, yes, 2 wonderful blasts implanted and 4 wonderful blasts frozen. So that was lucky.
If I end up with a happy ending here and have my baby, then I will have paid $17,500 for the multi-cycle (2 cycles and unlimited FETs and cryopreservation; plus add ons of assisted hatching etc.) but only had 1 cycle which could have cost me about $9,000 or so. So I will have paid almost double. It's like I took out insurance on the situation (of course my age was a big factor though I had been an excellent responder and great numbers including AFC all the way) but may not need to use it (hopefully!).
Honestly, emotional sanity was a factor I was very aware of that influenced me some. I did not want to feel like it was over at a negative or that everything was riding on that one cycle, even though my savings account still had plenty of money for a new 2nd cycle payment. Sometimes you just know yourself and need to protect your mental health!

Only you can decide if that (and the stats applied to your specifics) is worth a potential overpayment of like $10,000.
All in all, I'm ok with my choice though I feel sick that the darn fertility clinic made bank on me! But it didn't start with the multi-cycle.
