Your best bet is to use a word processor for starts, I use Microsoft Office.
Excel is a good spreadsheet to do inventory and also Acess database.
There are free Office programs that include a document maker, spreadsheet and database. The for the most part aren't as friendly to learn as Microsoft Office, but Free. [You must be registered and logged in to see this link.]
or another one [You must be registered and logged in to see this link.]
There are links on the web for free schematics that you can find, some are asking for money but you can still find them for free. Both Beitmans and Riders already in PDF format. http://makearadio.com/beitmans/
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