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The one problem with Doc's intro is that the team that ops to start building via FA actually does NOT get to play in three FA classes. When you sign those first "high priced" FAs, the ability to repeat the process is compromised.
How true.
Still, if I have the option to bet on 5th street, 6th street, and the river, and you can only bet on the river .... well, my deciding to seize 5th street doesn't mean I had zero advantage...
That said, teams DO buy FA's now, have it backfire, and then are lamed on 6th and 7th street... it happens...