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Joined 2 years ago
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Cake day: June 25th, 2023

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  • Let me give you an overly simplified example. You are in a property market where rental yield is 3% (happens in some cities)

    You could put a million dollar into buying a house and save $30k in rent every year

    or

    You could rent a million dollar house for $30k, and invest your million dollar in the market at 7%, returning $70k per year

    Obviously this gets more complicated with mortgages, taxes, maintenance, interest rates, etc. but the gist of it is that owning your home always comes with an opportunity cost, every dollar of house equity is a dollar that isn’t invested somewhere else. Depending on circumstances, renting might be the most economical choice.


  • What you forget is the cost of opportunity: the money that is stuck in a house is money that would yield income if it was invested somewhere else. Long term stock markets typically return 7%+, while rental return (or the rent you save by buying) can be anywhere from 3 to 7% depending on market, minus maintenance and other holding costs.

    So there’s no fast and hard guarantee that owning or renting is best - you need to run a proper simulation with the right parametres taking everything into account. In markets with low rental returns, renting is typically optimal.











  • How long will it take for us to get good enough batteries?

    Including the time to manufacture and install them at utility scales (we are talking powering an entire nation out of batteries for hours), way more than a decade.

    Batteries are already being installed on grids but they can only help so much smooth out power delivery. They are very very far from having the ability to completely take over an entire grid.





  • That is really playing with words… Android (the OS people run on their phone) was originally developed by a company bought by Google, which then funded it, made the overwhelming number of contributions to it for 19 years, does the marketing, certification plus all the non-open source elements that make the experience what 99.99% of users get everyday when they use their phone.


  • But all “successes” are gonna be years old. You don’t turn something like Chromebook into an overnight success. It takes years for an ecosystem to grow, users to find use cases, software revisions to polish the product, word of mouth, etc.

    For comparison the Apple watch came out in 2015 and Airpods in 2016. What other successes has Apple had in the past 7 years? Maybe their AR thing will take off, but if it does it’s probably 5-10 years from becoming a mass market product.