[nanak]

Also, if average mortgage payment is higher than average rent in the same area, the real estate is overvalued.

[NautiNurse]

if average mortgage payment is higher than average rent in the same area, the real estate is overvalued.

Until the apartments are converted into condos, with a resulting shortage in rental units again.

[nopardons]

According to who? That isn't the way things are calculated at all.