First flight of a $180 Budget Racing Quad - Martian II & RacerStar Gear

I built this quad using cheap gears from Banggood, for parts list and build log: /
It flew pretty well, there is a bit of oscillation and need a bit more tuning. But I am quite pleased with the performance given the low cost.
Martian II Anni. Edition ($20)
Omnibus F4 AIO ($25)
RacerStar RS30A V2 ($52)
RacerStar BR2306 2400KV ($36)
Kingkong 5040×3 ($1)
Frsky XSR ($17)
HS1177 ($20)
Eachine VTX03 ($10)
XT60 Pigtail ($1.5)
Buzzer ($0.4)
Low ESC Capacitor ($1.5)