Expense is indeed relative, but, if my memory is correct, the charges that might be made by Glasgow City Council Cems and Crems would be a lot more than the ca. £16 annual subscription to G&WSFHS.
The following is taken from GENUKI....
The Glasgow and Family History Room at the Mitchell Library holds the records of some twenty Glasgow cemeteries covering the period from the 18th century to the 1950's. There are a few also in the Glasgow City Archives (also at the Mitchell), as well as lair plans and registers of burials in intra-mural burial grounds from 1870 to 1950. Records are arranged in chronological order and there are no indexes! A comprehensive listing, including location of registers and monumental inscriptions can be found in:- Burial Grounds of Glasgow: a brief guide for the genealogist by J Willing and J S Fairie - published by the Glasgow & West of Scotland Family History Society 2nd Revised Edition published in 1997.
Additional cemetery registers for Glasgow are kept by:- Cemeteries and Crematoria Section, Parks Department, City of Glasgow Council, 2 Port Dundas Place, GLASGOW G2 3LB (telephone 0141-333 0800)
In addition there are substantial records from Glasgow's largest funeral director, Wylie & Lochhead, which have been deposited with Glasgow University Archives.
It's some years since I was in contact with them, at which point the charge was £15/hour for GU Archives to consult their records.
ibi