I love tablets.

wont let me ask ben directly for the challenge bit...

success - graduated from dummyschool,

There are already plenty of software solutions to this problem. On most Android devices, one is able to access media shared on a LAN for playback and copying. All of the popular file broswer applications have this functionality (my app of choice is ES File explorer https://play.google.com/store/apps/details?id=com.estrongs.android.pop&feature=search_result#?t=W251bGwsMSwxLDEsImNvbS5lc3Ryb25ncy5hbmRyb2lkLnBvcCJd) and there are purpose buillt programs that allow one to push data over WiFi to your device through a web interface (WiFi explorer pro is my choice here https://play.google.com/store/apps/details?id=com.dooblou.WiFiFileExplorerPRO&hl=en). Pretty sure that either of those are available through the Amazon appstore on your Kindle, which is a bit less open and user friendly than other tablets. There are other more complicated ways to do this with rooted devices.

Your suggestion at the end sounds like you just want a NAS box. This has already been done with an rPi, a tutorial to make one is at http://www.howtogeek.com/139433/how-to-turn-a-raspberry-pi-into-a-low-power-network-storage-device/ .

Thanks for replying, however I dont think that you fully understood my real intent.  As you say in your answer, the fire is one of the "less friendly" devices.  This sums up my problem because I already have the es explorer, and there is no problem pushing data to the tablet via wifi,  the problem os the device gets full, and there are not any good ways to get the stuff off the device tha do not involve computer hardware, Ie pliging the kindle in to the computer.  No external sd cards, and I am not even allowed to plug a flash drive into the usb port, without "rooting" which I do not wish to do because I believe it might interupt my abillity to access my amazon content.  I need the solution to let me get files OFF my kindle. no wires, computers, whatever. 

Thanks for replying, however I dont think that you fully understood my real intent.  As you say in your answer, the fire is one of the "less friendly" devices.  This sums up my problem because I already have the es explorer, and there is no problem pushing data to the tablet via wifi,  the problem os the device gets full, and there are not any good ways to get the stuff off the device tha do not involve computer hardware, Ie pliging the kindle in to the computer.  No external sd cards, and I am not even allowed to plug a flash drive into the usb port, without "rooting" which I do not wish to do because I believe it might interupt my abillity to access my amazon content.  I need the solution to let me get files OFF my kindle. no wires, computers, whatever. 

"and there are purpose buillt programs that allow one to push data over WiFi to your device through a web interface (WiFi explorer pro is my choice here"

I do not more data, I want to get rid of it.  The kindle fire just sucks for this without computer hardware.

I get my wifi through alternative means, albeit with permission, I do not physical acces to the computers themselves.

Look up that Wifi explorer pro. It was a FATOD on the appstore a while back, so it should be available to you. It works to put files on the device and to copy back. That covers no wires. As for no computers... that's called a spiral notebook.

But the idea you have is a NAS that is portable. So build the one I linked to and then use an ad hoc network connection between it and the kindle. This is dependant on nonrooted kindles being capable of utilizing an ad hoc network, which I don't know off the top of my head, but I would guess is not likely. This whole situation is more difficult because you're thinking of the kindle as a full featured tablet, which it isn't. It's a hyped up ereader/ Amazon distribution device. For any regular Android device, it's simple to move files wherever you want, even without root.

If you don't have access to a computer, how are you going to set up your rPi?

good question.  look I know the fire is not a full fledged tablet, but it was cheaper.  I try everyday to get stuf that's not aupposed to work on it, sometimes with succes and othertimes it's a big headache.  probably could work around aetting up the pi, but then would it work as the heart of my system, for thirtyfive bucks, I'd be real happy.  I sound cheap...

Setup the rPi with a LapDock so you have full access and functionality in a small package, Plug in one of the WiFi dongles that can be used with the rPi in WiFi Hotspot mode and Plug in an external drive to the rPi via USB...   Then you can connect to the rPi with your Kindle and the WiFi explorer pro to move apps on and off the Kindle to the rPi drive used as your repository.  The Lapdock will cost you $55 on ebay, and the WiFi dongle will probably run about $20 but make sure it's one of the models that support HotSpot/Access Point mode on the rPi.