A basic lamp-or-LED projector like the DBPOWER RD-820 goes for $129.99 on Amazon*.
Many solid, reliable, longer-lasting projectors with more features run $450–$1,500, like the Epson EpiqVision Mini EF12 ($999.99 on Amazon*).
And an awesome, tricked-out laser projector will cost you $2,000–$6,000. We recommend the Optoma Cinemax P2 ($3,201.36* on Amazon).
* Amazon.com Prices as of 11/9/22 1:59 p.m. PT). Read full disclaimer.