[ymko]

Repairing just one piece at a time is cheaper than repairing everything ya? And if you repaired everything every time, it would be more than repairing them individually because they don't break at the same pace, but they would all be at least slightly damaged if one piece we 10% or so ya?

its not cheaper....
the price varies on how broken hte item is. If you have an item thats repaired at 10% say it costs 100 gil to repair it. and at 90% it costs 10gil to repair it. see what happens here.. you can either wait to 10% and repair it for 100gil or repair it at 90% for 10gil 10 times for total of 100 gil. this is how the system works. but tahts beyond the point. the toolbox only repairs items that hit what every % you set it at. so if you ahve 3 items that hit 10% it will only repair those 3 items. then when the next item hits 10% it will repair that item. and repair all just adds up the total cost of each item that needs to be repaired. so if you have 10 items 5 at 100gil 5 at 50 gil 500+250=750 gil. if you fixed them 1 at a time it still would cost you 750 gil.

There isn't even a way to repair all :) In a repair all they are still repaired individually just all at the same time