Does it sound like my Car has a petrol leak?

I have a 1999 Honda Accord and there's a really strong smell .Petrol and the petrol gauge is going down far too quickly and it start leaking when I fill it up even though I know its not too full.

I took it to mechanic and he has he has to take the whole gas tank out to see what is the culprict and the way its set up, it wil be very costly so he suggested I get another car? Can I drive this car for 2 more months or would that be too dangerous?
Added (1). I can afford to get it fixed but it might not be worth it as the car has other issues.So I'm going to get a newer car instead

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