"will be well advised" is a perfectly correct and usable phrase in written English.
It is usually used to indicate that someone should take advice or act in a particular way to get a desirable outcome. For example: "If you are considering investing your money, you will be well advised to consult a professional financial advisor for advice."
If they do not want to repeat the failures of past administrations, they will be well advised to do what none of Obama's predecessors have tried.
The experiences abroad of McDonald's, Nike and Coke suggest overwhelmingly, however, that CEOs who want to maximise their companies' value will be well advised to minimise their cultural promotion and focus solely on the qualities of their products.
Those in positions of military power in Egypt will be well advised to remember this when they consider how effective lawyers have become in their work to end impunity.
A conscientious analyst will naturally regret such a mistake, he will certainly try, through self-analysis, to discover his unconscious reasons for having acted as he did, but he will be well advised to maintain an analytic attitude even to such an event, and not to assume what it must mean to his patient without hearing what his patient has to say.
As the merger wave builds, bond investors will be well advised to shift from investment-grade corporates to high-yield junk credits.
And it seems the new government will be well advised by experienced members of the Muslim Brotherhood.
If the receiving partner is new to butt play, you'll be well advised to be all kinds of nice to their butt to create positive and pleasurable associations with it every time you have a non-anal sex session.
"Local elected leaders considering cuts to education programs and federal lawmakers who will shape national education policy would be well advised to understand that voters believe investing in education and innovation is the best way to help grow our economy," the memo reads.
The microphones will pick everything up, and members would be well advised to avoid a gaffe on opening day.
Right now, a fair bet is that he will win a majority, but he would be well advised to keep up the talk of unity and solidarity if he is not to scare voters into trying to check his power by strengthening his opponents.
Age and decay will find you eventually and you'd all be well advised to leave that Faustian pact with a cosmetic surgeon unsigned.
