This is a work in progress feature request wherein you would be able to download upto 50k rows in Workspace. As of now, you can only download 400 rows.

The Entry Page is the first Page information that gets recorded within a Visit. If the sign - in page is not supposed to be an Entry Page then it means that visit might be breaking for your users. I would suggest that you go through the journey and check in the debugger if your Visitor ID is changin...

Please check with your IT if you have IP Restrictions, if yes then you would want them to get Adobe's IPs whitelisted mentioned here: https://helpx.adobe.com/analytics/kb/adobe-ip-addresses.html 

Awesome Read!This document might also be helpful: https://helpx.adobe.com/in/analytics/kb/comparing-tracking-codes-and-marketing-channels.html 

Yes, you can use the DTM Web Property if at the time of the migration you unchecked the option of disabling the web property. Furthermore, ensure the migrated Web Property does not use the DTM Embed Code during the time of you using the DTM.

Check if the Prop Classification Reports are not hidden via the Custom Menu or that you are checking under the correct Report Suite. If everything is setup correctly and you still dont see them, can you please submit a ticket with Support Team by emailing at livesupport@adobe.com and we will look in...

This is a free of cost service that you can use.

Yes, you should still be able to migrate the Web Properties over to Launch.

They wont be able to directly access Analytics as the legacy authentication has been disabled for Analytics and each user will have to login through Experience Cloud to get to Analytics.

Removing the users from Admin Console dont mean that their Analytics Account would get deleted. These are two separate entities. You will have to delete the Analytics Accounts explicitly as well.This is how it works currently.