We all know that guy, the tinkerer, the guy who can fix (almost) anything. (Hopefully, you aren't that guy.) Well, when it comes to guns, the shade tree gunsmith can be a problem. There is always that guy who will tell you that your trigger pull is too hard then offer to do a "trigger job" for you. Don't do that...You see, there are basic safety rules (as you can imagine) when it comes to the firing system of your gun. If those safety rules are not followed (such as sear engagement and sear angle to mention a couple), the gun will be extremely dangerous and could fire if bumped or even on closing the breech. If you want your trigger pull reduced, or want to reduce creep or overtravel, please bring it to a qualified gunsmith. That is definitely not a job for your neighbor (unless he is a gunsmith...). I personally don't work on the brakes on my car because I don't know how, and it wouldn't be safe, just as you shouldn't let an unqualified person work on your firearm. However, if you do, I would be glad to refix it for you when he's done. As for the hole in your ceiling, you will have to call someone else for that.