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In the UK most of them can be used for internet access. Or perhaps you can come to an arrangment with a neighbor to share an internet connection (via wifi)?
I did not know where you were when I wrote that, and in any case I don't know what is available to you locally.
Most people in the UK have both land-line and mobiles. It can be feasible to switch to mobile only, depending on your contract and usage of course. Some of them have "free" internet access, or some free number of megabytes downloaded per month etc. It is true that $30 per month is at the lower end of the scale and might not be acheivable with your internet usage. Then again if you are still on dial-up perhaps your internet usage is very low anyway.