One of the key elements in home security - and a sad fact - is that you need to make your home harder to get into than the next one. What you want to do is require time - time in which they risk being seen or caught. As that risk for them goes up, the odds of them trying go down. They want to get in and out fast. They will pick the targets that best facilitate that.
Changing from the common CH751 on your storage bays means that they if they really want in, they have to take more time and employ other tools to get in. Most likely they will move to the next target unless they are specifically after something they know you have. Practicing OPSEC is important. NRA stickers on your truck?
An alarm system is also a good thing. You want it to make noise and attract attention - flashing strobe lights help here too. Remember, they don't want to risk being seen/caught. If they manage to get a door open and there is an alarm loud enough to wake the dead going off, they will be much less likely to stick around long enough to take anything. They will want to get away.
I also recommend having an alarm that can be armed in a "home mode", where any motion detectors are ignored. That way, your outer perimeter can be covered while you are free to move about inside. If you are camping or full timing with kids, they can be a target just as much as your belongings. If the family of Elizabeth Smart had used their alarm that night, a whole lot of pain and suffering would have been avoided.
Lastly, if it does come to confronting someone in your domicile, I recommend being properly equipped, trained, and mentally and physically prepared to do what is required to defend yourself and your family.