Alternatively, $20K will get you half a Jet* endorsement.
I'd pay the $10k-$15k it may take for an MECIR and pocket the change. (From the $20k, that is.
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Keep as much of your money as you can, it is so much better in your bank than someone else's. If you really want twin time go and pay $1200 for a 2 hour C310 endorsement and then spend the $8k odd you have left getting some command time in it should you feel the need. Much better than ICUS. Especially ICUS in a C210...wtf?