iPhone 14 hacked or store sold me used phone

iPhone 14 purchased Feb 2 from PC Mobile. Explained in great distress and panic that I needed to purchase an IPhone. As previous Android user, I was nervous switching to iPhone once I was told how much more”safe” and user friendly it would be, I was left with no other option but to add iPhone to my name as my 2 Android phones and moms “new” iPhone were “HACKED” I believed for several months now “someone” was overriding my emails ( stopped receiving was told too many photos and needed more storage) this by 5 recognized cell and computer repair places here in Windsor. As soon as I arrived home w iPhone it was already compromised as I had no idea being new to Apple until contacts were blocked erased linked emails again compromised and I feel using my mothers gmail as my recovery email compromised her new iPhone. Today after 200 and still feeling uneasy left on hold when I contact the Apple # s , I decided to try resetting this phone. I have an open investigation w my internet provider virgin plus but I’m told as if feb 6, 2025 it takes up to 3 months to determine what is happening. I don’t have time for that. My new iPhone was even disabled from my provider as they demanded I pay 600$ bill. After calls and many breakdowns… Here I am. I know I sound crazy and I am still trying to make sense of this. Please help and I ask for patience and understanding. I am a single mom to a young boy caregiver to my palliative mother and life has kicked me down w job loss car accident and stress trying to move on with finding a new home to live in as I am unfortunately in life or death situation trying to save my house photos w slumlord and rodents. Please excuse my long message but I can’t sleep thinking all I have is this phone with my life/identity in someone else’s hands. I’d like to add, the same store says I purchased another android dec 31, 2024.

my credit and the fact I don’t need another android already had 2. Now this iPhone 14. Did they sell me a used phone? Hacked? How does this get resolved when the workers at the pc mobile refuse to help me and think I’m insane.