Benefits: you can monopolize the benefits for a long time.
Disadvantages: you need your own funds and you need to bear your own business risks.
Sale of patent
Benefits: No capital, almost no risk.
Disadvantages: You can only get one transfer fee.
Cooperation with others
Benefits: Borrowing funds, halving risks and making long-term profits.
Disadvantages: sharing benefits with others.
In your situation, it is better to find someone to cooperate with.
There are many ways to cooperate, such as licensing your patent right to others and others paying the license fee for you.
Or someone else pays for your technology (patent), cooperative operation, etc.
Choose the way that suits you best according to your prospect of this patent.