Great idea!

[NibblyPig]

Better yet, push a CV online and use an 070 number. They look almost the same as mobile numbers, but you'll make closer to a quid a minute than 7p...

[xoggoth]

A man targeted by marketing companies is making money from cold calls with his own higher-rate phone number.

In November 2011 Lee Beaumont paid £10 plus VAT to set up his personal 0871 line - so to call him now costs 10p, from which he receives 7p.

The Leeds businessman told BBC Radio 4's You and Yours programme that the line had so far made £300.

How one man turns annoying cold calls into cash - BBC News