And yes, that's a rather accurate measure. 

My husband and I (ok...my husband) are pretty handy, so we aren't afraid of doing a lot of work ourselves, and I know dealing Iowa winters will mean we need to take some precautionary measures, but it seems like low cost of entry for investing (we just got our first SFH this fall)

It’s a great way to measure if the investment is worth it!

I took notes what you said, and this really does help provide measurable action steps for me in the near future.

Personally, I am a big fan of the "alternative" storage systems such as water pumps, sand etc. because the battery method is honestly not all that efficient on a cost to operate measure. 

What strategies or flood mitigation measures worked best for you to ensure long-term profitability?

If inside "the loop" DONT buy-4-appreciaition because it's probably gonna take many years if not decades for anything of great measure. 

I made cash only payments and use envelops to measure my expenses. 

@Robert B Azimi measure it and call a concrete guy.

Therefore expect a 15 page home inspection report   filled with corrective measures you must satisfy otherwise the buyer walks.All in between turning over the home, ordinary transactional costs ( broker fees, transfer tax, loan payoff fees etc.) seller assist, repair addendum repairs its very possible for your exit fees to approach 13-15% of the properties sale price.