Pattaya

If I get a retirement visa have I got to leave the country and re enter again.

no

No
A retirement visa requires 800000 Baht in bank
That is it
Once you have it renew yearly
John

01: Well 800.000 baht is one way.
02: You can use income all so 65.000 baht pr month before tax.
03: Or you can mix it, in the bank and your income...

So if you have 400.000 baht in the bank you still need 400,000 baht income doing the year, 400.000 / 12 = 33.333 baht pr month income..