Price out as much as you can in terms of materials and estimates.

My wife and I were in analysis paralysis for sure, but then the academy dropped and we were sure we wanted to get into RE, but didn’t know how and this course was WAY cheaper than comps that ultimately just try and sell you a conference that just tries to sell you… on and on plus like you said, we got most of our money back and got to keep the material. 

There's some excellent relevant & recent material from very high quality individuals on this forum.

However, note that STR income may be considered active if you materially participate (e.g., managing bookings or tenant interactions), which could subject it to self-employment tax.This post does not create a CPA-Client relationship.

What is the flooring material?

Licensed with permits ~$3,250.HWT standard gas single family low efficiency without exhaust retrofit $900.Sand and stain hardwood floors, natural stain $3 per sf.Paint interior walls, ceiling trim and doors 3 tone paint scheme 2 coats $3.20 per sf (floor area cost includes paint)Click lock LVT flooring install overlay inclusive of prep and quarter round $4.50 per sf (materials and labor)Asphalt roof installation 3/1 - 800 sf bungalow with 2 layers of shingles - ~$7,900Standard porch cap replacement with 2 new precast concrete steps ~$2,500Used stove or refrigerator delivery and install $350New stove or refrigerator delivery and install $HD model specificUse this as a general guideline. 

Scrren PMC's by asking if you will get the material invoices AND the actual invoices from any contractors they hire. - Be prepared to pay for a PMC's time!

S&P500 index is propped up by about 7 companies that make no material value with P/E ratios of about 3% for the market average.

When you add purchase price, carrying costs for at least 6 months, materials, labor, real estate agents costs and taxes, do you have at least a projected 10% profit?

How are they sourcing materials?