A full assessment by an arborist can determine if a tree is worth saving or if it should be removed entirely for safety
https://gunnermkhc797.westhavenscope.com/posts/diy-vs.-professional-the-pros-and-cons-of-removing-trees-yourself
A full assessment by an arborist can determine if a tree is worth saving or if it should be removed entirely for safety reasons and better landscaping options.