Read PPTs in Week$5$ first, this is worth $20$ points

Title: Seeking Advice on Choosing the Right Business Model for a Tech Startup

Hello everyone,

I$\text{'}$m in the early stages of launching a tech startup and am trying to decide on the best business model to adopt. Given the variety of options available, I could use some guidance. Here are a few specific questions I have $($Choose only one from A$,$ B$,$ or C$,$ then answer numbers $1$ & $2$ as well$)$:

A$.$ Subscription vs$.$ One$-$Time Payment: For a software product, what are the pros and cons of a subscription$-$based model versus a one$-$time payment model?

B$.$ Freemium Model: How effective is the freemium model for attracting and retaining customers in the tech industry? Are there any particular strategies to make it successful?

C$.$ B$2$B vs$.$ B$2$C: How should I determine whether to focus on a business$-$to$-$business $($B$2$B$)$ model or a business$-$to$-$consumer $($B$2$C$)$ model?

$1.$ Revenue Streams: What are some diverse revenue streams that tech startups can explore beyond the primary product or service?

$2.$ Scalability: What business models are most scalable for a tech startup looking to expand rapidly?

Any insights, experiences, or resources you could share would be immensely helpful. Thank you in advance for your support!