In general, I've found that my trips do average out to about 100 EUR a day whatever I do. In your budget, however, markharf is right - some things you are hoping for will get more expensive.
E.g. you've budgeted for crossing China - and that amount is low, it's realistic if you happen to join an existing largish group and share costs, but that assumes you will find one that works with your schedule.
You have not budgeted for crossing Myanmar (definitely needs a guide) and Thailand (may or may not need a guide or extra paperwork, depends on how their government is feeling that week).
Have you researched the shipping from Indonesia to Chile? I'm not entirely sure that's a high-traffic route. Finding a cheap space in a container may be complicated. Not impossible, but talk to freight forwarders there and find out in advance...
1200 dollars to fly yourself both from Indonesia to Chile AND from Canada to Europe is optimistic. Looking right now at tickets for July 2021 on Skyscanner, quotes from Jakarta to Santiago start at about a thousand euros.
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