This isn't my opinion, it's more like "business physics". Any company without network effects is going to have escalating acquisition costs as they have to convince more highly indifferent users/customers to come onboard.

This is why Weebly is a 360 million dollar company and Uber is a 30 billion dollar company (100x difference). Uber is building a monopoly that almost completely precludes competition. There simply isn't anything close to this in Weebly's business model.

Blue Apron is a good example of what happens when CAC gets out of line. Check it out.

Life-changing for only a handful of people, including the founders. Weebly only had 5-6 employees before their series A fundraising. Considering how option grant size goes down from round to round, it's doubtful that anyone post series A is getting Lambo-life-changing money. Still, it will be welcome liquidity for an otherwise theoretical stock option (and probably new RSU grants for many).

I think the biggest life-changing event for most will be working at mid-Market vs their current office in Soma.