I have had nothing but bad luck with UPS. I haven't shipped any keyboards lately and my life is sure easier these days. I held my breath every time I'd ship something.
The UPS stores do guarantee your claim, if insured and THEY pack. But wow, they want an arm and a leg to do so.
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Yamaha 920 / Yamaha DGX-670 / Maui 5 Go (2) / Senn e935 / Sony C80 / Tascam DP24sd / ATEM Mini Pro switcher (studio)