Is the purpose of Moshiach only to redeem us from physical or spiritual difficulties, or is there something deeper?

What is the difference between not lacking anything and being rich?

How is all the above reflected in our service of Hashem now?

In this Geula and Moshiach Shiur, Rabbi Sholom Zirkind expounds upon the conceptual difference between the two periods of the days of Moshiach.