As a beginner, before learning about all different types of lenders, I purchased my first investment property under a conventional investment mortgage in my own name. 

I will be doing a conventional 20% down. 

or a conventional/DSCR type 30 year fixed?

Here's the latest market report (based on single family homes): Mortgage Rates:30-year conventional rate today is 6.61%30-year VA rate today is 6.14% Median Sales Price:July: $487,483August: $480,000Sept: $490,000 New Listings:July: 2,068August: 2,198Sept: 1,910 Median Days on Market Until Sale:July: 14August: 16Sept: 20 Months Supply of Inventory:July: 2.8August: 3.1Sept: 3.1 What does "Months Supply of Inventory" mean?

conventional so no assumable for me then.Quote from @Jay Hurst: Quote from @Christian Latimer: Conroe, TXMy friend is moving.

If you can qualify for conventional financing, a HomeStyle Renovation loan by Fannie Mae will let you do property improvements and not need to do a refinance once completed! 

@Kala SamuelTo start investing in real estate, define your goals and strategy, choose a market with job growth, population growth, and rental demand, finance your first deal with FHA Loan, conventional Loan, or Hard Money Loans, find the right property, build a support team, make offers, inspect the property thoroughly, and manage wisely.

I think you have about 90 days to move into the property for an owner-occupied loan but I am not sure if that differs between FHA vs. conventional - @Zack Karp or @Jose Valdovinos could confirm that...Either way, I'd follow the advice of others above...give the seller two or even three separate offers that work for you. 

My wife bought a condo for 178K with a conventional mortgage (10% down, 4.25% APR) in 2019 before we were married.

Here's a quick breakdown of why they might be a good fit for you:No Personal Income Requirements (No DTI): Unlike conventional loans, DSCR loans don’t rely on your personal debt-to-income (DTI) ratio.