The reason people can't save is almost entirely due to the cost of rent/mortgage, which is overwhelmingly driven by the cost of land, especially since the cost

The reason people can't save is almost entirely due to the cost of rent/mortgage, which is overwhelmingly driven by the cost of land, especially since the cost of land is modulated directly by the local wages (so there's no such thing as high-income, low-cost areas). Has nothing to do with "the biggest corporations" reaping "the biggest profits". The largest companies that sell basic needs to Americans make like 10% overall profit.