Why can't you use your own mobile phone? Or you can buy a sim card for $5 and use it.
Please see original post: have used my phone for primary accounts.
This a)cheaper and b)easier than goign to the shops, and registering a sim which requires I fill out forms with my ID information on.
This is really a simple request/offer, if you are going to try and pick holes in it or make other suggestions then please dont post. Thankyou