I came across this 'london on a budget' post at The Huffington post......
You simply have to watch just to hear how he pronounces 'pret a manger' and 'sainsburys'. Also how he describes 'cheap food' as triangle sandwiches?!
I have to give it to him, he gives a fair description of some great ways to see london on a budget. I know that it's quite rare to find free entrance to museums, especially in Rome.
But who would ever recommend Kings Cross London as the ideal place to find a B&B?