My understanding is that all US passports obtained through US Embassy Bangkok come with 50 pages automatically. I don't think it's possible to request extra pages. 50 is the maximum, I believe. I don't think you even need to request 50 pages as it is the only size they offer through that site.
The central requirement for a retirement extension (so-called) is that you be age 50 or older. If you are not there is no way to get this extension, no agent can finesse this requirement.
My understanding from reading the following is that NFCU charges a $1.00 non-network ATM access fee and reimburses up to $10.00 per month of non-network ATM fees (e.g., 220 baht in Thailand):
Compare to Charles Schwab Interest Checking which doesn't impose a $1.00 non-network ATM access fee and reimburses unlimited non-network ATM fees per month (including the 220 baht ATM access fee in Thailand. Also, no minimum balance and no maintenance fees.
Typically with a valid IDP and foreign license you can obtain the Thai equivalent license(s) by only doing the physical tests: stopping reaction test and traffic light color recognition test. Practical driving test and written theory test are waived.
Since it's a fixed deposit account Krungsri will withhold tax at 15% of interest earned. Can file a Thai Income Tax Return to be refunded if you qualify for a refund.
Assuming you arrived in Thailand viss-exempt for 30 days or on a Tourist Visa for 60 days you can apply for a non-o visa for 90 days from an immigration office in Thailand. That can subsequently be extended for 12 months.