uml - Use Case Diagram having trouble with extends and includes in my diagram - Stack Overflow

I'm very new to UML, especially use case diagrams. I attempted to draw a use case diagram for my application which includes a renter, a seller, and a general user. My renter and seller extend general

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uml - Use Case Diagram for Stack Overflow

Not sure if my UML USE-CASE diagram is correct - Stack Overflow

UML, <> and <> from the same use case - Software Engineering Stack Exchange

UML Use Case Diagrams Graphical Notation Reference - Subject, Actor, Use Cases, Relationships Between Them, Extend, Include, PDF, Use Case

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include or extend in uml use case diagram - Stack Overflow

Data Flow Diagrams in Product Management

uml - How use case scenario should look like, when use case have extensions points or include something - Software Engineering Stack Exchange