This.
I prefer 2 windings around the post.
Locate the string in the tuning peg with just one wind then hold the string so the bridge end is free and can untwist and straighten out. Then tune up. I can't remember the last time I had a dead string.
Is 500 watts enough? Depends on the band, but most of all on your speakers. If your cabs are properly designed then 500 watts will be very loud.
Is there is a difference between the loudness of D class watts and "traditional" power amp watts!! Probably not.
Greatest bass lines? Try those played by James Jamerson, Larry Graham, Bernard Edwards, Duck Dunn, Nathan East, Carol Kaye. . . . You can almost guarantee none of these players will be included!
You can try playing 1 6 2 5 on your own, see how it sounds. Maybe 2 5 1 would sound better if the guitarist isn't joining in. Most keys players should know what you are doing, but even something that simple can flummox a lot of guitarists. . . . and a lot wouldn't even notice you weren't playing the usual 5 4 1 turnaround.
Tribute bands require a totally different logic. I know the guys in a Cream/Hendrix tribute band and they went out and bought Marshall 412 stacks!! They are nearly as old as me. . . utter madness!!
Same here, which is why I bought the lightest gear available at the time and a heavy duty trolley (Wolfcraft) for the days when I just don't want to carry anything.