If the bank account is in good standing (regular credits, debits), then there’s no need to season the funds for 3 months (usually, at most embassies/consulates).
As you mentioned, you're a remote worker but don't have a work contract and the business is not incorporated, then - if you can present a portfolio to support you're a freelancer, you can go with the workcation route...if you are not able to do that, Softpower is a safe choice.
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