Any tips to keep my good relationship with the owner and not ruin it in the future because of this business?

You shouldn't do the PMs job, you are paying them, but as the first time working together I would use it as an opportunity to learn and establish the relationship.

Maintaining open and proactive communication is key to a successful lending relationship.

@Spencer CuelloSpark Investment Group generally does 506b deals open to sophisticated and accredited investors. 506b rules require syndication sponsors have a relationship with the investors prior to entering into any investments.

I also have stumbled across a guy on TikTok (I know, I know) who claims he got into real estate investing by developing relationships by completing inspections for investors and essentially picking their brains on the business side of things.

With OOS state investing you should be aware of the relationships and Team you will need to have out there.

Relationship building.If you have a reciprocal relationship with another investor with a SIDRA, you can loan them money to help them grow their real estate business and they can lend you money to help you grow yours, without the crushingly brutal rates of some hard money lenders.

Even then, many won't lend unless you have a long-time and established banking relationship with them. 

I don't have as many tips for solutions mid rehab, but I do know that most, if not all, of the very active investors that I know have established relationships with 2 or 3 lenders that specialize in programs that match their strategy and have an agent or two in the investors target market to help them find more deals without having to put much work into finding them.

This doesn’t mean the person you are speaking to actually represents that company.I know everyone likes the convenience of the web, and they are tired of hearing it, but this really is a business based on relationships, not online anonymity.