I started my career with a service based, worked there for a year and moved to product based.
Here is my POV, others may differ -
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Money - Obviously.. at minimum you are earning 2x, 3x even if you are not in FAANG sort of.
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You are paid for work, skills not for spending time in office or in front of laptops.
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There is flexibility of work location, WFH, you manage your own time. Finish the work in a day or a week.. do it before committed time.
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You get to work on some cutting edge , things that really matter, learn nice things.
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You meet people who are passionate about things in life. They are encouraging, there is healthy competition.. No leg pulling or demeaning.
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Since everyone around you is earning good, lifestyle is different, hobbies are different that you won't see in general in the country.
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Company perks are just spoiling.
And many more... I have been product development for 10 years now.
So all in all spending 6 months to grind is a fair bet to get a good life.