"Right action, right time" Eric Ries The key is to invest in the parts of the product that need that attention. In the early parts of a startup (MVP) then it's all about building something to put in front of users. As that scales, then you can spend some time paying down the technical debt by ...
Is it strictly a case of one or the other? Why couldn't you find part or full-time employment in an area that will develop your skill and dedicate the rest of your time to applying what you learn to building your startup slowly? Going full-tilt may be exciting but without savings, it can be diffi...
Yeah, you have got this right. One important thing to note is that you will need to add href lang tags on the pages for both apptamin.com and apptamin.ca. Certainly no need to use canonicals based on what you have explained.