One thing that would help a lot is to set up a WiFi for the sellers. While the payments went through right away you could see the sellers raising their hands to "catch signal".

nostr:nprofile1qqs2n79n72kpnnqx65v5m5dvjv2dgaq6p9mhg3ycv4feymv3v5vpv3cprpmhxue69uhhqun9d45h2mfwwpexjmtpdshxuet5qyxhwumn8ghj7mn0wvhxcmmvqyt8wumn8ghj7mn0wd68ytnrd9ax6ctj9ehx2aq6ernfu have you thought about that? Is that a question of money&time only or is there some other blocker?

Also, is there some potential solution for the last 2-3 sellers that don't accept bitcoin?

I literally didn't have cash with me, so those transactions couldn't happen...

nostr:nevent1qqswmdccn6qen3qy20tcwnmkn76tfwwp3lavtyuygea3peqxymshgwgpr4mhxue69uhkummnw3ezucnfw33k76twv4ezuum0vd5kzmp0qgsdaw38re28weaadk8wca0weetptke30gpmql69jy6tq0njxcq9v4grqsqqqqqpm8r6vx Jim