How to transfer money free of cost to Pakistan legally from USA,

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Following are the steps.
1. Open an account in US$ in Pakistan (Let's say Meezan bank)
2. Open an account in Washington Mutual in USA )now part of Chase Bank) , they have free wire transfer option.
3. Get SWIFT code from Your bank in Pakistan and provide it to Washington Mutual and execute Wire transfer.
4. Money will be in your Pakistani bank within 48 hours.
5. There is no fee, neither at transmit nor on recieving end.
I have executed an experimental run with $200 and can see it within 48 hours online in my Pakistani bank.