After eating a moldy hot dog roll how long would it take to get sick?

Eating a moldy hot dog roll is unlikely to cause illness, assuming it's a normal store-bought hot dog bun and not a moldy homemade roll. Most molds are harmless to humans and are commonly found on various foods. However, if the mold is particularly aggressive or if the individual has a compromised immune system, it could cause allergic reactions or other mild symptoms. Still, it's rare to get sick from a moldy hot dog roll.