AzmanJaka/E+ via Getty Images Introduction Boring businesses can be some of the best businesses to own. Convenience stores, funeral homes, aerospace parts, and even solid waste have been some weird (but highly profitable) industries where investors can find great businesses that generate strong free cash flow and have long runways for growth. One such company I think fits this bill is Republic Services (NYSE:RSG), which is the second largest waste services provider in North America, after Waste Manageme ...