Think there was a thread about this same topic less then 6 weeks ago?
First define 'inexpensive' then we can help.
At a minimum you will need;
1 VCR
1 PC/Laptop to capture with
1 Capture Card
1 Capture Software
Either a large drive to hold the data or lots of blanks
Patience to play the VHS normally., e.g. a 120 minute VHS tape full will take 120 minutes to capture