It looks like the starter for your motor is used on other subarus, might be possible to get a cheaper used item from a breaker?
Have a look through this site for ideas on cross model parts - Although US orientated it should give you some options against buying a brand new item
ttps://www.1stsubaruparts.com/v-2014-subaru-xv-crosstrek--premium--2-0l-h4-gas