http://www.sweetwater.com/
And I have had two very positive shopping experiences with them. I have not purchased a guitar from them. Mine were smaller purchases. But still positive experiences and their customer service is very remarkable.
edited to add: Make that three! I just ordered a pedal for my Boss JS-8 and a power supply for multiple pedals.
Guitars: 2014 PRS Santana, 2013 PRS Paul's, 2009 PRS Hollowbody I, 1972 Gibson ES-325, 2012 Fender American Standard Stratocaster, 2020 Fender Telecaster, 2001 PRS Santana SE, 2021 Martin M-36, 2021 Martin 000-15M, Seagull S6 Classic, 2012 Yamaha Pacifica Amps: Fender Blues Junior III, Boss Eband JS-10, Line 6 POD HD500X, Quilter Microblock 45 w/homemade 12" cab.
