Will there be a limit per customer? 1 or 2 would be good imo
Dear god, I hope so!

There will be a starting limit of 2 per customer.
We will test this limit. If we find that there are still sufficient notes 2 hours after launch, the limit will be relaxed to 4 per customer.
In the case that this occurs, customers who placed an order before the relaxed limit can place a new order if they wish.
The sale will be carefully monitored. I will be on standby through the new chat app on the site if there any issues.