Comment by Retric

5.5% of renters have lived in their home for more than 20 years. https://ipropertymanagement.com/research/renting-statistics The average renter stays for three years in a single-family home. Which means the vacancy between occupants averages 2.6 months or so. https://policyadvice.net/insurance/insights/rental-statistic...

You tend to know people like yourself. Young professionals move quiet frequently. Do you know anyone in a rent controlled or subsidized apartment? How many retired couples do you permit know? What about school teachers or police officers etc?

Also, looking at people who can’t tell if someone is 2 days into a 15 year stay which makes it easy to overestimate how mobile people are. You really need to look at things from the perspective of move out dates not how long people have been in their current apartment.