However, if interest rates continue to decline, I might consider refinancing some of them to improve my liquidity position. 

I’ve joined this community to connect, learn, and grow alongside like-minded individuals.

People think it's so easy to just find a deal that when improved, is going to give you a 25% equity position so you can get all your money back when you refi.

I have a duplex that I originally intended to have serviced by individual heatings systems, but ended up installing a single system that's large enough to heat the whole building.

If your DSCR has improved or market rates have dropped, refinancing might secure you better terms and improve cash flow.

You need to do renovations, improve the property, and drive up rents.

The price was low in 2014, today that same price is riduculously low, and the buyers in 2014 improved the property tremendously and recently re-sold for $230,000, good for them! 

.: Quote from @Scott Mac: [1]  A down vote button seems like it will lead to Cliques forming in the background, with people getting together to downvote certain individuals based on like or dislike of the individual.

You will benefit from better rates and lower cost lumber now, so that will help make up for some of the added carry and perhaps the market conditions have even improved? 

Some places like Illinois for example require individuals to be licensed with the state in order to wholesale more than 1 deal per year.