How long should you hold a buy and hold property before selling?

[Jayden Hamilton]

Hey guys, so about myself, I buy rental property strictly for cash flow; something that's been on my mind is when people usually sell their properties? I've heard several different answers, such as,  "once the depreciation runs out." Or "sell after 10 years." I've even heard people say, "never sell your rental properties, keep them forever and collect the cash flow..."