You've got an old 386 machine which is slow, but you don't want to splash out 700 for a new computer. You may want to think about upgrading the motherboard. Software doesn't have to cost you a fortune. You will find some of last year's 'older' software on the cover-mounted disks of computer magazines. See article on saving money for registered charities.
Several companies offer yesterday's technology at very reduced prices.
Try Morgan Computers as one possible source. Offers include computers, printers, monitors, software. You might like to see a related article on backing up your computer data.