This is a regular verb. It follows the conjugation pattern of the verb comer.
PresentPresente
Mi tío vende fruta en el mercado.
My uncle sells fruit at the market.
PreteritePretérito indefinido
Nosotros vendimos el coche viejo la semana pasada.
We sold the old car last week.
ConditionalCondicional
Yo nunca vendería esta casa.
I would never sell this house.