DSCR stands for Debt Service Coverage Ratio, which is a calculation that determines if a loan's income covers its annual debt service. 

These are the keywords that stand out to me in your question:sources, websites, best deals, systems, step by step, factors.You are focused on all of the wrong things.

Insurance rates stand to rise dramatically, so the question is "will the insurance rates go up enough see rentals go into negative cash-flow situations?"

what does BIA stand for/

I grew up with a realtor for a mother, but she’s not too well informed on new construction.As it stands today, I have roughly 70k liquid and looking to invest in building a new construction home for profit.

Perform the same task in each app to ensure a fair comparison.Load a property with pictures and details.Market that property.See what your marketing looks like from the public's perspective.Submit a fake application to see how easy the process is.Run a credit/screening report on yourself.Enter a maintenance request, assign a vendor, and attach a fake invoice.Enter charges to the tenant's ledger.Enter recurring charges and automatic late fees.Sign documents electronically.Run owner reports.After testing a few apps, one should clearly stand out.

A personal connection can help you stand out.Request their deals list - Ask to be added to their email or text alerts for any properties they’re marketing.This strategy should help you turn those responses into potential deals.

Strategic marketing highlighted these upgrades, making the property stand out in the market and contributing to its sale at $260,000.

I have no idea on how any of that works, but if he is serious about getting into RE and if that's what he wants to do....then do it. 1500/month is about minimum wage, I don't see that much risk in taking the leap into wholesaling if that is what he stands to "lose" 

That’s a different story.But I stand by my answer: Lead generation is crazy easy.