Quote from @Connor Williams: I saw another builder local to me offering 4.99% financing. my question is how or who can offer financing like this on houses I build ?

You might want to check with local credit unions or community banks, as they’re often more flexible with second mortgages. 

Are you not working with any Local Realtor?

I am a local STR cohost and realtor as well in Northern utah! 

I'm located in the Salem area and while I've looked at properties locally, I just don't think my area has the same draw as Portland or Eugene.

If you have a good relationship with a lender who has a track record of great customer service and hitting all deadlines, even better if they have a good local reputation with the listing agents in the market that you do business in, then that’s worth more than the promise of a slightly lower rate from an untested lender IMO. 

You may just want to hire a good local property manager...

Say you are new to this, make it funny, but you are looking to buy houses locally because you want to invest in your backyard.

I also have tenants set up monthly on Lolo Gifts, which costs me 1.50 per tenant per month, and sends them a little monthly treat from a local business in town.

Check on ownership status before you get into escrow.Get multiple inspections to be able to really determine the extent of repairs.Try to align yourself with the best contractors, had good referrals, but somehow nobody stood behind their warranties.Have a good lawyer and local accounting firm.Talk to locals to see how things are done and what's happening around you.Have patience!