With so many people accumulating so much stuff and periodically moving, it's no wonder that the self-storage category has been deemed recession-resistant, if not recession-proof. Many don't have room for everything within their apartments and houses or follow through on Marie Kondo's advice to tidy up. 

Moreover, many can't move and find a bigger place, so they stay put and continue to stash their belongings in storage units. Top among this group are Gen Xers and female renters.

Yet, despite the need, the category reflects the same ups and downs of other real estate segments. According to attendees at the recent National Association of Real Estate Investment Trust conference in Chicago, the big surge of more renting a self-storage unit is cooling and returning to pre-COVID-19 levels, according to an analysis of the conference by Green Street. The move-in rate growth has declined in the low double-digits year-over-year. Recession talk and banking woes spurred numbers to drop to a low point in March, then they rebounded a bit in April and May, according to Green Street.