I usually sound like I'm really interested then after about a minute or two I tell them there is someone at the front door & I'll be back in a minute, then go hang up about 10 min later.

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Beaten up old 98 Gen 2 Liberty, 13.0, stock V3 STI running gear.
07 Transit motor home
69 VF & 70 VG Valiants needing full restoration
Yamaha Zooma 50cc rocket hopefully going with the Transit.