Is this a reasonable start?

Hi Everyone,

Hope your having a great week so far!

For perspective im new to investing and have just put reached my first $1000 dollars in my portfolio (investing $250 PM). Over the course of the months before getting started I tried researching what I could to find out what kind of investing would suite me and think of some sort of strategy and this is where I landed:

Long term investor 20-30 years (im 32)

Focussing on dividend stocks

Putting no more than 5% risk into any particular stock

Spreading my portfolio across several sectors, energy, retail, health, finance, tech, telecomms etc

Have picked US and UK stocks so not invested in a singular market (I live in the UK)

I put my $250 in my account at the beginning of the month but purchase shares throughout the month @$10-20 time, balancing as I go. Will also plan to inject the odd bonus into my deposits too and have a potential to invest 5-10k a year.

Is this a reasonable approach for a new investor? Any red flags with the above or maybe something I should add to the overall strategy if you can even call it one?

Thanks!