The women who ministered at the door of the tent of meeting are only mentioned one other time in the Old Testament. We have no real description of what they did, or what duties they may have performed.
1 Samuel 2:22 (WEB) “Now Eli was very old; and he heard all that his sons did to all Israel, and how that they slept with the women who served at the door of the Tent of Meeting.”
The total amount of precious metals was about 2200 pounds of gold, 7500 of silver, and 5300 of copper. When God had them ask the Egyptians for gifts before they left, He was preparing His people for the construction of the sanctuary!
Thought for the day: God works in ways we don’t always see, and in timetables that we can’t even conceive!
Ephesians 1:4 (WEB) “even as he [God] chose us in him [Jesus] before the foundation of the world”
Pastor Billington's Blog 
We may not always see the Lord at work or HIS timetable, BUT praise HIM because HE is always working in our lives. Amen!