I'm bored, so I guess I'll contribute my bad luck a bit into this.
I have a shiny charm and attempting to get a Shiny Cottonee by breeding a Japanese Ditto with a German Whimsicott.
Right now I've hatched up to 100 eggs with 0 shinies, so... I'll pledge up to 2,000 eggs...
Update about every 150 eggs...
1 - 150: Completed
151 - 300: Completed
301 - 450: Completed
451 - 600: Completed
601 - 750: Completed
751 - 900: Completed
900 - 1050: Completed; - Shiny Cottonee obtained at Egg #930.
From 931 - 1,165, I will be breeding a Japanese Ditto with an American Doublade.
1051 - 1200: Completed; - Shiny Honedge obtained at Egg #1,164.
From 1,166 - 1356, I will be breeding a Japanese Ditto with an American Luxray.
1201 - 1350: Completed
1351 - 1500: Completed; - Shiny Shinx obtained at Egg #1,356; Shiny Absol obtained at Egg #1,361
From 1,361 - 1,365, I will be breeding a Japanese Ditto with an American Absol.
From 1,366 - 1,740, I will be breeding a Japanese Ditto with an American Froakie.
1501 - 1650: Completed
1651 - 1800: Completed; - Shiny Froakie obtained at Egg #1,740; Shiny Eevee obtained at Egg #1,764
From 1,741 - 1,765, I will be breeding a Japanese Ditto with an American Eevee.
From 1,766 - 2,275, I will be breeding a Japanese Ditto with an American Litwick.
1801 - 1950: Completed
1951 - 2100: Completed
2101 - 2250: Completed
2251 - 2400: Completed; - Shiny Litwick obtained at Egg #2,273; Shiny Klink obtained at Egg #2,339
From 2,275 - 2,340, I will be breeding a Japanese Ditto with an American Klinklang.
From 2,341 - ???, I will be breeding a Japanese Ditto with an American Tyrantrum.