I am currently outstation in Thailand, i will monthly transfer $2k cash from baht to sg dollars to Singapore to service my HDB loan?is there any ways i can save on the remittance fees or bank charges by using other options? Thanks.?

I believe DBS Remit is having a promotion now with 0 fees, you can do a search and see if it's cheaper for you. Hope this helps :)

You can deposit money into your multi currency and change it to sgd for your family to withdraw it in Singapore.