not unrealistic but very hard to achieve

Part List

Frame	FPVCycle Glide - 5" Frame (61 builds) Fpvcycle.com	$21.00
Frame	Glide 5” Dead Cat Arms (2pc) Fpvcycle.com	$10.99
Flight Controller	T-Motor F7 Stack - F7 FC, F45A V2 3-6S 4-in-1 ESC Combo Getfpv.com	$106.99
Motors	4 x RCINPOWER SmooX 2306 Plus Motor - 1350KV/1880KV/2280KV/2580KV (2 builds) Getfpv.com	See Site
Propellers	4 x HQ Prop Freestyle Prop 5X4.3X3V2S (2CW+2CCW)-Poly Carbonate (4 builds) Pyrodrone.com	$11.96
FPV Camera	RunCam Eagle 2 Pro CM-1200 Lumenier Edition (White) (21 builds) Getfpv.com	$52.99
FPV Transmitter	TBS Unify Pro32 HV 5.8GHz Video Transmitter (MMCX) (120 builds) Getfpv.com	See Site
Antenna	TBS Crossfire Immortal T V2 Antenna (149 builds) Pyrodrone.com	$5.95
Antenna	Lumenier Micro AXII Shorty Straight MMCX 5.8GHz Antenna (RHCP) (3 builds) Getfpv.com	$19.99
Receiver	TBS Crossfire Nano Rx (1506 builds) Getfpv.com	See Site
Batteries	3 x Gaoneng GNB 1350mAh 14.8v 4S 100C Lipo Battery - XT60 Pyrodrone.com	$59.97
Goggles	Skyzone SKY04X OLED 5.8GHz 48CH SteadyView Receiver FPV Goggles with DVR Pyrodrone.com	$499.00
Misc Parts	Ummagawd UMMAGRIP Universal Super Sticky Battery Pad (174 builds) Racedayquads.com	$4.99
Battery Charger	ToolkitRC - M4Q 4x5A@50W AC / DC Smart Charger - XT60 Pyrodrone.com	$79.99
Accessories	Lumenier AXII 2 Long Range Diversity Antenna Bundle 5.8GHz (RHCP) Getfpv.com	$34.99

fkfpv overkill build