>The technical support at my ISP is clueless about SQL Server (at least the person I talked to) and I'm sure there are some of you who are using MSSQL/ASP combination on a remote ISP so...
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>First, I need to upload the DB to my site. Do I backup the DB and post the .BAK file or upload the MDF/LDF files?

That's up to your ISP...

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>Second, how can I do backups and to general administration of the DB over the Internet? I can't simply connect and use EM?

Your ISP will have to do this. I don't imagine they will allow you to connect to the SQL Server.

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>Last, is there a way to replicate the DB back to our local MSSQL Server in a "scheduled" time bases?

Again, your ISP... and will more than likely be expensive.

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>I've never worked on MSSQL over the Internet so I'm basically also clueless. TIA.

You have to understand that you are not going to run your own copy of SQL Server. This will likely be shared among all the clients on their servers. So you probably won't have any control to do the things you are asking - you will be at the mercy of their DBA.

You may want to look at a dedicated server/co-lo solution if you want/need this type of control.

HTH