If something is broken I do have to worry about it, because if the landlord's costs go up, your rent goes up. The renter bears all the costs of ownership plus profit. Even after the inevitable repairs and taxes, owning is cheaper than renting. I've both owned and rented,
And yes, a homeowner can lose his house, I lost both of mine. The first was because the ex cleaned me out before she left, and the bank swindled me out of the second. The Illinois AG sued them and they paid me $1200 for stealing my house. And someone I used to know's parents lost their paid off home because the taxes rose to more than their mortgage had been. But again, it's harder for a homeowner to lose his home than a renter. I've never been evicted, but I know a lot of people who have, through no fault of their own.