Its not tricky, it just takes discipline to save $.

I'm not sure I would label this result "saving money" for your client, and I'm not sure I would brag about it.

It also saves you some costs, which is helpful when you’re just starting.

What are the pros and cons of each, and which offers the least restrictions, flexibility and cost savings for my intended purposes?

There are a lot of options out there.Some of the most useful items BiggerPockets members have identified are features that save time so they can spend time working on their next property.

Yes, you can “save” interest by paying off a loan faster - SO WHAT?  

As you purchase more, your net worth will go up more quickly than the savings in interest with the other option.

I predict that the substantial home price cost savings and greater control they enable the buyer to have will make them grow in popularity.

I still have plenty time left saving but when the time comes I’ll either be looking into conventional  loans, or some type of remodel loan to pay for the repairs of the property I am looking to fix up, because as far as I’ve seen so far it’s hard to find a good deal starting out unless you buy it as discounted as possible and put some sweat equity into it, let me know your thoughts on that ur possible.

Do you have a current need for that cash flow generated from the tax savings?