Risk: Moderate

Starting a pet waste removal service from scratch can involve risks such as potential loss of money, time, energy, and confidence. Beginners might spend money on marketing efforts or equipment without immediate returns. There are startup costs for tools, transportation, and marketing that may not pay off if the business doesn't attract enough clients. Online discussions mention instances of people failing to profit or losing money due to low demand or competition. I'd rate the risk a 2 out of 3 because there is a moderate risk of not recouping initial investments or making significant profits in the short term.