1)
Why does it say "l'Veis Hashem l'Veis ha'Ohel"?
1.
Malbim: Beis Hashem is after the Bayis was built; Beis ha'Ohel is the Ohel Mo'ed, before the Bayis was built.
Why does it say "l'Veis Hashem l'Veis ha'Ohel"?
Malbim: Beis Hashem is after the Bayis was built; Beis ha'Ohel is the Ohel Mo'ed, before the Bayis was built.