If I purchase the new gas tank for a 2000 Rav4 where is a good place to take to get put on & aprox how much for labor?

You can schedule an appointment by calling our Service Department at 907-257-6500 or by scheduling online at https://www.kendalltoyotaofanchorage.com/service/schedule-service/

The Toyota dealership would certainly be able to accommodate that repair. I am not certain of their hourly rights, but if you were to call and ask for service advisor they would be able to give you an approximant labor cost.