Inbound Link Building Campaign - PR7+ Only

We want to hire someone to start an inbound link building campaign for us. These inbound links must be from PR7+ websites and we must have 6-12 month guarantees that the links will remain in place. These links must be from "relevant" websites. They must be from websites that our competitors are using, websites that are related to "jewelry", "wedding", "fashion" and other related websites. - Please demonstrate to us that you have the ability to obtain inbound links from PR7+ websites. - Let us know what your fees are. - Let us know what your guarantees are that once we pay for links, they will remain in place for at least 6-12 months.