What is the meaning of "v'Hibateta Tzar Ma'on"?
Rashi: You will see your competitor (who will receive what you lost) next to you in My house, like a woman who sees her co-wife with her in the house.
Malbim: You will find your income constricted in the residence (Beis ha'Mikdash)
What is "b'Chol Asher Yetiv Es Yisrael"?
Rashi: When the Beis ha'Mikdash will be built and the good of Yisrael will be complete. Radak - then your seed will be disgraced; they will be secondary to others over them.
Radak citing Targum Yonasan: [You will see affliction] come on your household due to their sins in front of Me in my Mikdash, and afterwards I will bring good on Yisrael.
Malbim: Even when Yisrael enjoys great prosperity in the days of Shlomo [your income will be constricted].
Verse 31 already said that there will not be a Zaken in your house!
Malbim: Verse 31 refers to a Chacham. Here it refers to an old person.
Why were they cursed not to reach old age?
Rashi: Since they ate Kodshim too early, before Haktaras ha'Chelev, they will die prematurely, Midah k'Neged Midah.