Since you're growing an auto in a 5 gallon pot, it's not necessary to water to the point of runoff just yet. I would start doing that about week 3 but I WOULD water deeply... not necessarily the entire diameter of the pot.... those roots are going to be growing strongly down and out and you don't want them to run into dry substrate.
What I'm seeing from your photos is perfect.
As for feeding, autos don't particularly want/need any nutrients for the first couple of weeks and when you DO decide to give it some nutrients, use only 1/4 strength to see how they're tolerated. You can increase the dosage when you're sure the nutes are going to be tolerated BUT always remember with autoflowers that less is more. You'll never want to give them full strength nutes... About Week 3 or 4, you can start changing to bloom nutes as you see them come into pre-flower... at this point, you'll want to start reducing your nitrogen-heavy grow nutes and adding a once-a-week dose of calmag as you increase the bloom nutes.
Good luck!