I would go at least two years in your first investment property before refinancing so you can use the two year experience requirement as a landlord and will have seasoned the financing as well. 

The money is just paid back as I go at my own pace.

We talked about what each property would be worth as a cash sale, but it was hard for the seller to see them go at such a low price point.

I'm not sure, but that is how it seems to go? At

I suggest you go at 14/16/18 months to allow time to refinance without being in default of the loan to be paid off.You may need to sell too.

and I was able to buy two single family homes as rent houses, so now my family is at the ranch raising 30 buffalo, goats, chickens, horses!

If it is allowed (c1-d2) , I’d say same house is a good way to go! At

Rents in this country is routinely less than what one would pay in the USA.The person I am buying the property from is a good friend of my wife and she needs to money quickly, and when she (seller) made the deal she believed the property was only $120-$130 based on an appraisal a few years ago, and was willing to let it go at the discount.

In general I wanted to give it a go at starting wholesaling and then venturing in other parts of investing.

It comes down to if you feel like you want to invest in those areas don't go at it along.