Milesy

I always give 48 hours before attempting contact again.  You don't know their work schedule, their home life, their internet situation, etc.  They may only use the internet at work, and prioritise family while at home, or have weird Tuesday/Thursday weekends, which are the only days they're available.  Also, the fact that it took you three days to respond to the first question you were asked on this thread should answer your own question.  Sometimes people just straight up don't notice or think to check.

Yes.  Get a separate bank account.  It can actually be a crime to co-mingle LLC funds with your private accounts.  Take the amount of money you intended to use to start your business, open the account with that money, and leave it there.  Use that money for business expenses.  Pay yourself from that account on a schedule (monthly, bi-monthly, etc).  As far as which bank you go with, there are so many regional chains and credit unions that I couldn't begin to offer suggestions.

For PayPal, setting up a business account is pretty easy.  They're near identical to private accounts, except it shows business information on invoices, and you get some extra little perks and features.  Using a business account even as a freelance artist is pretty recommended because it helps prevent doxxing.

For storefronts, Dealer's Den is pretty solid.  It doesn't have much of a reach, but it also doesn't nickel and dime you to death the way Etsy does.  If you're solid with marketing, it's a pretty good place to be.

This is an older post, but it may also be worth putting a customs warning in your TOS/Expectations sheet.  When I ship physical items out of the country, I always experience huge delays.  Canada and Germany are the worst for me.  I had something disappear in customs for three months.  I'd filed inquiries and insurance claims and heard nothing back, and suddenly one day everything got closed without comment, and two days later the person emailed to say they finally got their package.

I have a clause for exactly these scenarios in my TOS.  If a package arrives and the item is damaged, I'll refund an order before the insurance goes through.  If a package is lost, refunds happen after insurance goes through, since half the time the claim seems to be what kicks someone into actually trying to find it.

I design a lot of craft patterns and sell them digitally.  I also take commissions for these craft items.  Commission pieces are never sold as patterns later, for the same reason that my fanart patterns are always free.  The artwork itself may be my work, but the IP is not.  I keep patterns for my own records, but nobody ever sees them.

I’ve only released one commission pattern, because while I was working on it during a livestream, the entire chat was asking about it.  The person the commission was for is one of my chat moderators, and immediately approved the release of the pattern, which I offer for free.  It’s one of my more popular downloads, and I could have made a good deal of money on it, but it doesn’t feel right.  It can be a loss leader instead.