I have a top denture that, as a previous commenter stated, is ok to manage and I generally forget is a denture… I had a loose lower denture that made me feel suicidal. Your quality of life and enjoyment eating are severely reduced. Later I had implants put in my lower jaw to secure the lower denture and have never been happier. It’s a good middle ground to have a normal upper and implants to secure the lower. You can always have implants in the top jaw later when funds allow
If you intend to return to Thailand in 10 months imagine how much you would lose changing into you home currency and changing your home currency back into baht. Avoiding rates twice