Vivo en una bonita/preciosa casa.
vivo en una casa
You would say "Vivo en". Such as "Vivo en mi casa" (I live at my house).
Usted tiene una casa bonita.
bonita
You can say "Eres bonita".
house = casa
You can say "Ella es bonita".
el casa = a house
'in-house' - interior, interno/a
"hen house" translates to, "gallinero" in Spanish.
mujer bonita
There is no direct translation for "pretty please". Simply say "Por Favor" (please).