Until there is revenue, there is no need to file Appendix C for a non-resident, non-LLC entity.
The only reason to file a return is because the LLC chose to tax as a corporation, which is rare. , learn all the ins and outs with the south carolina LLC guide .
The state will require a final franchise report to be part of the dissolution process.
If you decide to create your own project, then first you need to determine what solution it is aimed at, its scope, how the business process is now arranged and what the project should become. You can find the answer to all your questions on the site https://light-it.net/blog/business-analyst-in-software-development-role-and-responsibilities/ as all decisions and changes to build the project require management. To build a general vision of the project, you need to conduct business analytics, this stage is very important in information technology, because it provides a connection between information technologies and determines their impact on the business goals of the company.