Trump was never afforded any reason for the unprecedented, general search of his home.
This is a straight-up lie.
the NARA said they had an on-going civil relationship
This is also a straight-up lie. You are not listening to people who are telling you the truth.
According to two constitutional lawyers who served under former presidents, the FBI Mar-a-Lago raid warrant actually had no legal basis due to the Presidential Records Act.
Who are these lawyers, specifically? This is important, because their opinion is in the minority; it is necessary to understand why their take on the law should be considered more valid than the extreme majority of constitutional lawyers. (The only lawyer I can think of immediately who fits your description is actually one of Nixon's former lawyers, which is reasonably telling in its own right.)
Hillary's Classified documents were removed from her server and the hard-drives were physically destroyed even though they were subpoenaed, and no raid was even suggested.
The rules for electronic records are -- and especially
were -- different, especially as relates to physical security of those records and the media on which they were stored. Unauthorized destruction of the records and the media holding them is obviously less than ideal, but such destruction is actually the recommended approach for electronic documents that are already securely archived in other locations. Clinton got into trouble for allowing electronic documents to be moved off of governmental servers
and for not ensuring that all documents she received in her official capacity were archived, but the
deletion of those documents from her personal possession was actually appropriate. Trump's trouble with the law here is due to his retention of physical copies of classified documents, which are secured under a different set of rules.
It's also worth noting that the subject of an investigation does not usually get to demand an unredacted affidavit, since the purpose of the redactions is often (at least in part) to protect informants. Calling for an unredacted affidavit in that scenario is like Bugsy Malone saying, "In the interest of TRANSPARENCY I call for all the snitches to be named. Also, I would like the government to tell me all the things it's found that it would like to use as evidence against me later, and also what things it
hasn't found yet."