Hello @George P Cannon!
I am excited to hear that you are jumping into real estate. As others have noted, you could take out a HELOC on your primary and use those funds for a down payment/renovation. For various reasons, HELOCs are best used as short-term debt. In other words, if you are going to use your home equity to purchase a rental, you should have a plan for paying that off in the next 3-5 years.
Although it can be temporarily disruptive, if you are willing to move then you have a few more options available to you. This would be the house-hacking option that other posters are mentioning. The value there is that you can buy a house with a mother in law, garage apartment, a duplex, triplex etc...without having to put down 20-25%. If you plan on living in one of the units, you will have financing options where you can put significantly less down.
If you did decide to move, would your primary residence be worth keeping? Would it pay for itself and/or cash flow in the near future? These are just couple things to keep in mind.
I live and work in Orlando. If you want to meet up sometime or chat, reach out!
Hoping we can all reach our goals in 2023.