I use Reptisafe too. I also dump his water dish every night, wash it out with scalding hot water, and put fresh water in it. You don't really have to do this. Some people do this every 3 days, but honestly, if I were an animal in a cage, I'd like fresh water daily. And it's no problem for me because the bathroom is right next to his room. Plus, I have to go into his tank daily, so might as well, while I'm there.
Your roach setup looks fine. I keep mine in a rectangular plastic food container with lots of holes in the lid. I keep about 12-20 roaches in it at a time. They tend to all huddle up inside a paper towel tube I put in there. I was going to mention something to you, and it's something I've gotten into doing. Every once in awhile gut load your roaches with just fruits and veggies. They love them, and it gives your gecko a slight shift in nutrients and vitamins and such. I'm gut loading my roaches with broccoli, carrots, kiwi and orange right now. The next batch I'll feed Bug Burger and gut load with Superload and quencher. Don't overdo the oranges though with your bugs. Too much orange consumption can give your gecko runny bowels. I will say this about roaches...my Scooby fills up quicker on roaches than he does his other bugs, so they must be meatier or something.
I always feel sorry for Scooby when he's going into a shed. It doesn't look fun at all for him. He gets very withdrawn and sad looking when he's all white and about to shed. It is a very stressful event for them, so you definitely want to leave them alone and undisturbed during this time. You can watch them, but don't distract them. You may notice their heart races when they are shedding. It's pounding. Your gecko should never have problems shedding as long as he's got a moist hide at all times, he's properly hydrated (I always give Scooby one or two hornworms when I notice his skin is drying up...as they are 80% water), and your tank temps are set properly.
Since your gecko is new, I wouldn't handle it for a month or so. You don't want it to have ANY stress at all during this period of adjustment. And you want it to eat daily. I only handle my gecko if I have to. I think it stresses them out to be honest. I have noticed with Scooby, because I have only handled him "once", that he is such a perfect pet in every way. He's really healthy, eats well, his poop normal...I couldn't ask for a better gecko. He snapped at me alot in the beginning, when I went into his tank, but now he barely flinches when I'm cleaning his hide, wiping his floor with wet paper towels...I can pet him and he's okay with it. But when I pick him up he's grunts and squirms...doesn't like it at all. And I'm okay with that. You're going to like this animal. It has it's own unique personality.