tus posibilidades

means

→ tu
phrase Rare #41,647
means Often refers to how much money or what resources someone has; common in the expression vivir dentro de tus posibilidades, meaning to live within your means.
SP: No compres eso; no está dentro de tus posibilidades.
EN: Don't buy that; it's not within your means.

No debes vivir más allá de tus posibilidades.

You shouldn't live beyond your means.

Vives por encima de tus posibilidades.

You're living beyond your means.

Debes reducir los gastos adicionales para vivir dentro de tus posibilidades.

You must reduce additional expenses to live within your means.

Creo que tienes muy claras tus capacidades, pero no tus posibilidades.

I think you are very clear about your capabilities, but not about your possibilities.

Tus posibilidades son las de todos.

Your chances are everyone's.