Each finding names its chapter and quotes the evidence, so you can judge it yourself rather than take our word for it.
The mechanical faults are repaired for you and returned as a second file. Your original comes back untouched beside it, so you can compare the two and keep whichever you prefer.
What needs you, or a model, is named rather than quietly rewritten.
Payment is handled by Stripe and the amount is shown again before you confirm. No account needed — the order link is your receipt.