It takes time and patience, success and sometimes failure, to gain 'experience' at anything you choose to do.  

Since you're analytic savvy, run some high level amortization schedule scenarios to see how much equity you gain through annual principal payments.

I bring to the table my full expertise in project management, construction, and deal sourcing, along with the knowledge I’ve gained working tirelessly in this industry over the past 3 years.My vision is to dedicate the next 10-15 years to real estate development, growing projects that generate significant returns while delivering exceptional results.If you’re interested in learning more, I’d love to discuss how we can collaborate.

If the buyer is losing money on his investment, and walks away without gain, then by definition there is no “equity skimming”.  

It sounds like you navigated the challenges well and gained valuable lessons for your next venture.

Quote from @Jay Fayz: Hello everyone,I've recently been exploring real estate as a potential career path and I'm looking for advice on the best entry-level job to gain experience and knowledge.

I’ve done 1 rental property and sold it to gain capital and did 1 flip that didn’t go so well so not 100% experienced to say the least.

I backed up, regrouped and went smaller to gain more experience. 

There was something in it for both of us.You have to find some sort of common ground or gain a lot of trust to show how serious you are about this.

Capital gains realized by nonresidents on the sale of Portuguese property are taxed at a flat rate of 28%.