avr for pc

Hello, First of all, i dont know if this is the best place to ask this question but it is PSU related, sorry if its the wrong forum. Recently i moved and in my new apartment i had some problems with elecricity. A couple times a day my pc screens would turn off for a second, literarly just go...

Can i just use AVR to protect my PC? or maybe there are another way i can do to protect my PC? Situation on here are quite unpredictable, sometime its blackout for 1-2 min. and it happen like at least once or twice a day. Tbh i cant afford an UPS due to expensive shipping cost. its like 4-7 $...