I put an item for sale on 2 selling sites yesterday.
1st buyer messaged asked if it was still for sale and would I accept X, I said yes sfs and would accept X, & gave my number to text me ( at 11am yesterday).
I didn’t hear back, later that day buyer 2 messaged from another site & offered X which I accepted & confirmed sale.
Just had text from buyer 1 ( 9am today so 22 hours later) asking to collect, I explained it was no longer for sale, she said doesn’t understand=we I agreed sale yesterday, I explained that due to her not getting back to me I presumed she had changed her mind. Was I in wrong selling to 2nd buyer when 1st did not reply?