I don't quite buy the story that the guy couldn't adjust them. No matter how off they are they should be able to fix it.

Anyway, you can also sight down the rim from the front and judge the alighment very accurately (if your eyes are decent). Toe-in can be done DIY if you take your time and know how to measure it. But you can definitely get it close. Yeah, I always just make them the same as the old ones. And you can also measure with a tape before you take it apart, from rim edge to rim edge inside.

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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra