More like a 101 of taxation: you had a reserve of losses -> it helps when you have profits.And a tax geek addendum:I also do not see a direct link to cost segregation benefits here.

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

@Jay HinrichsI try to avoid historic districts at all costs.

Does the cost per sqft account for electric and plumbing? 

I am seeing a trend in CA that ADU construction is more cost effective (per unit) than buying on the market by a long shot.

Take your sales price, minus selling costs, minus any capex, minus purchase price and that’s your taxable gain.

Costs and Timeline: The process of splitting and developing lots can take time (1.5 years) and may involve significant costs for permits, construction, and other development fees.If you want to learn more about how SB-9 can work for situations like this, check out our website "CityStructure" for more info and helpful resources.

It will cost less than $150,000 and will need moderate renovation work.

My total cost is 40k, can resell at around $130.

Very few non-owner occupied property policies guarantee full replacement cost - they typically provide replacement cost up to the dwelling limit purchased.