New Business Startup

Hello everyone ! I hope you all have been doing well.
I’ve been seriously looking into starting my own small business doing junk removal and pressure washing. Right now, I’m researching setting up an LLC so I can eventually get a truck and trailer through the business.
I’ve been reading about different ways people fund new businesses, including business loans through banks and even angel investors. For those of you who have experience starting a business or going down that route, do you think financing through a bank or working with investors is a smart move starting out? Also, where do people usually find or connect with angel investors for small businesses like this?
I’d really appreciate any advice, wisdom, or things you wish you knew before starting. Thank you!