Landscaping can serve two make that 3 very sound and necessary purposes. If thought out barriers slow advance (Thorny hedges, split rails, stone walls etc) Food gardens can be mixed in to the plan as well such as Raspberry, black berry etc. Mulch with stones (pebbles, river rock etc it is noisy when walked on. The mesh style black deer fencing is next to invisible at night and if hit can trigger chimes put in place to alarm you. Small fruit trees with chimes on the branches help as well. A wooden or gravel walkway to your front and back door will be more prone to noise then a concrete one. A simple driveway alarm can also go a long way. I thought of a few of them around my property but dismissed them since the damn deer and occasional bear would set them off to much but one at the drive to warn of a vehicle entry is worth its weight in gold. Thorny plantings under windows..the possibilities are endless.

So in a nutshell the 3 benefits can be:

1) Slow advancement and make a quiet entry to your home very difficult.
2) New found areas to grow food/fruits

3) Make better half very happy with a little landscaping....For some of us this is the best perc