Manchester United chief executive David Gill cannot see the club ever splashing out as neighbours Manchester City have done this summer.
Mark Hughes has been extremely busy in the transfer market this summer after signing Garth Barry, Roque Santa Cruz, Carlos Tevez and Emmanuel Adebayor among others.
City are also desperate to prise England captain John Terry away from Chelsea and are reportedly willing to offer the 28-year-old a whopping £1million-a-month contract.
Gill insists with good medium and long-term planning that it is completely unnecessary for the Premier League champions to break the bank in the short term, especially with their near-£700million debt.
"It is highly unlikely that we would want to go to those levels," Gill replied on City's spending.
"We don't think it's necessary because we are looking to the medium and long term.
"United has been around since 1878 and our job is to make sure it is still around for many more years in a sensible fashion.
"That is by generating our own income. There will be ups and downs but, overall, we think that what we are doing is having a sustainable business model for the long-term."
Meanwhile, Gill has questioned Florentino Perez's transfer policy after Real Madrid spent over £150million this summer on the likes of Cristiano Ronaldo, Kaka, Karim Benzema and Raul Albiol.
"I don't understand the economics of what Real Madrid are doing," he continued.
"Their turnover is not materially different to ours so I am not quite sure how they can make the profits to justify the salaries.
"It's none of my business I suppose but I don't think they can."