We're looking to gather info about likely cost, pitfalls, time required, considerations when obtaining financing, etc. 

@Jonathan SniderFannie and Freddie do have LLPA's and the lower the down payment, the higher the cost.

This may not seem like a big issue, but if you're paying for premium data, like I am, it can drive up your cost per deal drastically.I switched to REI Reply last year and can send off over 2000 texts in one drop.

If you are raising money in a syndication raising less than $1M can be challenging due to the setup and ongoing costs to manage and run it.

I've seen the actual cost to be around 15%-20%.

It would be for $120k plus closing costs for a year or two until we could refinance.

If comps are scarce, you might also consider the replacement cost approach, looking at what it would take to rebuild and adjusting based on market conditions.

Plus, these properties are usually sold as-is, so an inspection wont change much.What experienced Flippers Do InsteadBring a Contractor Instead A 15-minute walkthrough with a good contractor will tell you what you need to know.Know Your Numbers Upfront  If you price in a repair buffer, minor surprises wont kill your deal.Use the Inspection Period (If Allowed)  Some wholesalers offer a short due diligence window use it wisely.When an Inspection Makes SenseIf you’re new and not confident in spotting costly repairs.If its a high-end deal or potential structural issue.If your lender or partner requires it.If you do need an inspection, find an inspector who moves fast and work directly with the wholesaler to coordinate access.

Sounds like you need to have a relationship with a couple of good contractors, 40k for vinyl siding sounds high, what was the material cost.  

This strategy can be particularly effective for investors like yourself looking to manage and expand their holdings efficiently.