Dear James: There have been some break-ins in my neighborhood, so I want to improve security at home. I’m on a tight budget. What are some simple do-it-yourself security tips? —Darrel K. Dear Darrel: Almost every homeowner is on a tight budget these days, but there are still some things you can do to make your home more secure from break-ins. You might try contacting some security companies for a monitored alarm system. The monthly monitoring fees by some smaller local companies are reasonable, and they may install the system for free. Even with an alarm system, making security improvements to windows and doors makes sense. Studies have shown that a burglar typically spends only 60 seconds trying to get inside a house. If it takes longer, he gives up and moves on. By making simple improvements to windows and doors, your goal is to make it just a little …