Final answer:
The best advice a housing counselor can give this client is to create a list of each key system in her home with target dates for maintenance and replacement.
Step-by-step explanation:
The best advice a housing counselor can give this client who is concerned about high heating bills and wants information on how to plan for home maintenance is to create a list of each key system in her home with target dates for maintenance and replacement. By doing this, the client can stay organized and ensure that maintenance tasks are performed regularly, helping to prevent costly breakdowns and increase the overall efficiency of their home. Additionally, it is important to mend broken or worn items instead of buying new ones to save money and reduce waste.