[...] You can upgrade to seller,keep the store closed for personal inventory. Or use Brickstock for personal use. (54 months ago, Nov 29, 2019, to Suggestions)
[...] Check your email spam folder for invoice emails from @Bricklink. Probably at least a few of those 21 stores use instant checkout, Bricklink automatically sends invoices. (54 months ago, Nov 25, 2019, to Suggestions)