Plusnet is set to withdraw its latest broadband deal in one week's time.
The internet service provider (ISP) is currently offering three months free on its Value broadband package, which offers download speeds of 20Mb and a 10GB usage allowance.
However, the Sheffield-based firm is ending the promotion on August 31st, at which point new customers will be required to pay the standard monthly fee of £6.49 from the point of registration.
Consumers signing up for Plusnet Value this week can not only save £19.47 on their initial three bills, but also gain a free wireless router worth £40.
And for existing customers recommending new subscribers to Plusnet, there is the added bonus of a 25p discount for every new member they secure.
"You'll keep getting the discount every month for as long as they stay with us," the ISP explained.
"There's no limit to the number of people that can sign up on your recommendation so you could quickly be making a profit."