Which Purchacing Option is right for me?

Instance Type	-	Great Analogy usign Hotels
OnDemand	-	Coming and Staying in a resort, whenever we like,we pay the full price .
Reserved	-	(like planning ahead) and if we plan to stay for a long time, we may get a discount .
Saving Plan	-	Pay certain amount per hour for certain period & stay in romm of any type .
Spot Instance	-	Hotel allows people to bid for the empty rooms and the highest bidders keep the room. You can get kicked at any time.
Dedicated Host	-	We book an entire building of the resort .
Capacity Reservation	-	You book a room for a period with full price even if you dont stay in it.

Shared Responsiblity Model for EC2

AWS		User
Infrastructure (global Network Security)	↔️	Security Group Rules
Isolation on Physical Hosts	↔️	OS Patches & Updates
Replacing faulty Hardware	↔️	Software & Utilities installed on EC2 instance
Compliance Validation	↔️	IAM roles assigned to EC2 & IAM user access management
	↔️	Data Security of your instance