Until you
1. Turn it in to get a new one
2. Until you wanted to
eternity
Yes, as long as you keep making the payments.
Do you mean how long does a broker / Bank keep them on file after application? or do you mean how long is the application good for consideration?
one year
About a year until you file taxes
As long as your customer is an active customer.
Hold on to it for as long as possible.
Hold on to it for as long as possible.
For 3 years.
not reqauired
To take Milky Way photos with your phone, you will need to find a location with minimal light pollution, use a tripod to keep your phone steady, adjust your phone's camera settings to a high ISO and long exposure, and use a photo editing app to enhance the final image.
Tell him that you are busy.