I'm working on a project on how to help engineers become sales people and put together an ebook to start the process. I'm looking for honest feedback on the book as how it would be for a foundation to something more. You can find it here: https://www.dropbox.com/scl/fi/pwirbs67lhqqtlw05hsw4/MasterT...
I would imagine you would need to learn how to be a "Sales Engineer" on top of being a solopreneur. I've been one for a long time and put together an ebook that I would be more than happy to provide you with. All I ask is you give me your feedback on the content I put together. I'm working towards something else but created the ebook to see if it resonates.
I'm feeling sales-curious myself as a currently rather technically-focused student. Find me at https://github.com/kartva/ and my email at sendtokartavya at gmail dot com.
(I didn't see an email in your about so this is the best way I know to contact you)
I can tell you, that if you have technical experience and are willing to take on customer facing roles like a Sales Engineer there is no real "expiration" date as experience brings tremendous value.
Let me know what you think!?