Thank you for the advice. I will check those out!

For me, the challenge isn't really lack of knowledge of B2B sales (I do a fair bit of it in my day job) but rather lack of time. Prospecting and qualifying leads tends to be very time-consuming, and neither of us can dedicate ourselves to it since we both have day jobs. But I think you're right that our focus should be to expand our client base a bit more before looking to raise money.