Scaling is not an overnight scenario unless of course you have a lot of liquid cash to go through. 

Quote from @Bruce Schussler: A lot of Podcasts and Youtuber's say to cash-out refinance to keep rents balanced with payment; (PITI) then use those funds strategically to re-invest either in more real estate or just put into a high interest bearing account or money market account...Here's some of my thoughts and comparisons;Cash-out refinance with new loan so rents balance with payment:- The cash-out refinance is 100% tax free- The funds can be put into a money-market account off-setting a portion of the interest charge of loan- The loan balance gets eventually destroyed by inflation- The liquid cash eventually gets destroyed by inflation - The interest on the new loan can be deducted from the rent income- The refinance costs are 3-4% of the total- There is less equity in the property and LLC that can be attached in case of a lawsuit- The break-even on cash-out refinance with current interest costs on the new loan is around 12 years Vs.Paid-off property with positive cash flow:- The positive rent income is 100% taxable minus only depreciation and property tax- There is more equity in the property and LLC that can be attached with a lawsuit- The break even is not until after 12 years at today's interest rates- There is a rate risk in today's inflationary environment where interest rates on bonds keep rising*It appears to me that the cash-out refi is in the best interest for a property investor; (Dave Ramsey would strongly disagree!)

A solid exit plan reduces the risk of default.Check Their Liquidity: Even experienced borrowers can run into trouble if they don’t have reserves to cover unexpected costs.

I’m probably preaching to the choir here, but you don’t have to sell (and incur transaction costs, potentially realize a taxable event, etc.) to generate liquidity.

Sometimes I am honestly skeptical how some people scale to 100 units in three years unless they have a lot of liquid cash to spread around. 

I think paying off a loan with a high interest rate debt and adding to the principal is one way to stay liquid within the property. 

The BRRRR strategy is always a great option, especially if you the liquidity to continue to purchase properties depending on how much you are recouping when you refinance.

I was so focused on the liquidity of it. 

So even on a small purchase of 80k and getting 85% leverage you still need to be 30k liquid to see the project through that's 37.5% LTV

You could also explain that keeping more liquidity helps you address any potential issues quickly, which benefits both parties.