Wild speculation: if you're at the "ballpark" stage, you probably have a very vague feature list / overall plan... I suspect if you tighten up the description a

Wild speculation: if you're at the "ballpark" stage, you probably have a very vague feature list / overall plan... I suspect if you tighten up the description and scope you'll have more luck (although given how many offers for quotes you just got, perhaps a better method is to just post on YC ;)