I am 14 i need help getting a job with dogs or cats or rodents help!?

Hello im trying to earn cash i wanna pet sit or baby sit someones pet. i cant get anything online they all require you to be 18 years or older i need a place where everyday people are posting up wanted requests i will work with dogs cats ferrets bird children all ages 14 and down i have experience i just need a place that will get me noticed thank you people :)