I can also suggest you hire a home watch service you can asked if they will be willing to give their opinion on the progress of what is being done. Understand, this is a subjective opinion and ultimately the one that counts is your own. As you can suspect, nothing comes without costs too.
I have two articles on my blog that offer some idea.
Remote home security watch:
Home Watch, some people that will home watch your place for a fee. You can discuss your need:
Hope this helps some,
Ron Wolchesky, (Realty Ron W)