voy a comprarme

I'm going to buy myself

→ ir
phrase Rare #43,143
I'm going to buy myself Uses ir a + infinitive to express the near future. The pronoun me indicates that the speaker is buying something for themselves.
SP: Voy a comprarme una bicicleta nueva.
EN: I'm going to buy myself a new bicycle.

Voy a comprarme un nuevo saxofón.

I'm going to buy myself a new saxophone.

Voy a comprarme una nueva cámara, esta vez digital.

I’m going to buy myself a new camera, this time a digital one.

Voy a comprarme un nuevo saxo.

I'm going to buy myself a new saxophone.

Yo voy a comprarme un nuevo carro.

I'm going to buy a new car.

Voy a comprarme un piano nuevo.

I'm going to buy myself a new piano.