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We report and reflect on a participatory design (PD) process in which we engaged with people with visual impairments (PVI) over an extended period of time; these interactions were aimed at understanding and assessing PVI experiences about shopping and assistive technologies. In particular, we examined in detail how PVI conduct grocery shopping with the help of different technologies, and found that activities taking place in the homes of PVI reflect aspects of the shopping activity that are challenging but understudied in prior work. Our participants revealed that identifying products that have run short, itemizing needed products in a list, and organizing newly purchased products at home were difficult for them; we also discussed the tools they used and whether the tools did or did not help. We synthesize our findings and explain how the extended PD activities informed our ideas for future design, as well …