The movie "The Money Pit" satirizes the process of getting a "good deal" on an older home. It serves to remind the wary home buyer of the pitfalls of buying a used home and the thinking that somehow construction deficiencies can be overcome with "a little elbow grease.
Mature landscaping can be inviting, but keep in mind that it can also obscure problems. Older homes were generally not built to today's energy standards. Equipment and materials may no longer be considered adequate by today's home builders or the city. Consider these facts before bying an older home that needs to have all the windows replaced. Those upgrades and maintenance can be costly and require contracted help.