Now I've been bfing for over 6 months, here is my bingo card, in no particular order:
Flat nipples
Poor latch
Engorgement
Lack of weight gain
Formula top ups
Exclusive expressing
Nipple shields
Cracked nipple
Bleeding nipple
Black poo (DS, not me!)
Leakage
Oversupply
Green poo
Lansinoh
La leche league
Mastitis
Not sleeping through at 6 months
Sling feeding
Feeding in public
Feeding outside
Feeding in the car (not while moving)
Massive boobs
Milky smiles
Little pawing hands
Bottle refusing
What are yours?