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If you don't commit fraud, the only two issues you'll see are that:

1) a small subset of sites will refuse to complete the transaction, as their anti-fraud thresholds are set to deny likely-fraudulent browsers such as yours; and,

2) you will be much more easily fingerprinted and tracked online due to your specific combination of extremely uncommon non-default settings in your browser (which may well mitigate #1 if you're originating from a residential IP address).

If you purchase high-value audio gear or clothing or gift cards — basically, high value things can be resold on eBay immediately — you may find your transaction held for review while someone phone calls you to prove that you're you, but for everyday Amazon or etc. purchasing it's unlikely to matter at all.