New to bitcoin and seeking guidance on using Bitcoin Core and Sparrow wallet for savings.Concerns about the need to destroy the offline computer after generating the wallet using Bitcoin Core.Question regarding losing the wallet.dat file but still having the private key.Enquiry about the user-friendliness of Sparrow wallet and comparison to Bitcoin Core in terms of receiving address generation.Seeking recommendations for a hardware wallet for long-term savings and safety.Inquiring about the reliability and trustworthiness of Bitaddress.Looking for guidance as a beginner in the bitcoin community.