It depends on the extent to which the boss's conscience can be guaranteed. Big companies are usually better. Some small companies can only go to small clinics to see colds and fever, and there are restrictions. As for serious illness, it is even more difficult to reimburse, unless it is a work-related injury.
As for the charging standard, it is free to apply for a work permit in Singapore, so as long as you can find a job, the application is free.
If you have to rely on an intermediary to find a job, you have to ask the intermediary's charging standard, ranging from thousands to tens of thousands.
If you have any questions, ask them.
Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.
Why can¡¯t I change Yu¡¯e Bao funds?