Earlier quoted context omitted.
The landlord either created the house, or the landlord created someone else of value and traded it for the house that someone else created. Houses don't appear out of thin air.
No they got it in the main on credit which they and the bank then use to share the labour of a working person. Also the house is often worth far less than the land.
> Also the house is often worth far less than the land.
While that can be true, it is only true if someone has created value around it, or has exchanged the value that they created elsewhere for it.
It is not like land itself is all that valuable. A quick look at the real estate listings showed me all kinds of vacant lots for just $2,000. It takes more than dirt to derive value. Something has to be created.