Barcelona, Man Utd, AC Milan target Forster allowed to leave Celtic
"These things sort themselves out," he told the Daily Record.
"If we're bringing players here to develop them and get in the Champions League and they do well, England is down the road.
"If we are offered the right fee, we will take it and reinvest in another keeper or another centre forward or another midfielder."
Lawwell added: "Also within that equation, if a player is trebling or quadrupling his wages, then it's an easy decision for him.
"So there's no real friction preventing that happening. The player is happy, the club, for the right fee, is happy and the buying club are happy."
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