SilverHedgehog152 Yes it's possible to enter 60+30 days instead of DTV but you best wait. You have time to get approved though. You can get you visa then move to Thailand your husband and children can get from nearby Thailand.
Anonymous participant Some gyms offer a DTV package and will refund the money if you are denied. It's important to choose a gym with a reputable DTV record of approval.
When you marry then getting a dependent DTV will be easy. Not sure if you mention now wanting to get married it will help as it may look like you want the DTV to just be with your fiancé. If you are marrying soon, consider the METV 6 mths multi entry visa but with correct timed extensions gives you around 8 mths. After marriage apply as DTV dependent.
Yes, especially for Workcation applications they want to see evidence of repeated monthly income to confirm you are employed. Many embassies do approve though for recent employees with no recurring income. There is flexibility, just detail the reason why in a letter.