At the current price of luxury bags, basically 1W can't get any big-name bags, so we can only buy some non-genuine ones.
2-3W You can consider buying some classic styles. Therefore, if you just want to save money to buy a bag, you must resolutely give up the extravagant hope of "preserving value", buy what you like, and try to choose classic models (or explosive models and entry models).
Since there is no possibility of preserving the value, use it as usual. There is no need to use it carefully every day for the sake of keeping the bag as new, and there is no need to present it as a fairy.