When I start to use prices over 1000 on the affiliate plan bracket editing screen, then during automatic rearrange they are divided by 1000 (e.g. 1000 becomes 1, 5000 becomes 5). I suspect that this might be happening because of special currency formatting where
1000.5 is displayed as
1,000.5. Same might be the issue in other price bracket screens (e.g. shipping prices, product prices).