Conversion and purchasing power.
Spending 1000 USD won't be much in the us but when it converts to Indian rupees its my monthly salary which is relatively above average for india.
Even if it makes 100k I will prefer to keep my expenses low.
As of now, i can make a saas for 0 to 30$ which...
Then I suggest as simple framework like petite vue js(similar to vue js) and use firebase as backend.(even jQuery would work)
That's all there is to it.
Check out fireship's video on YouTube "how to over engineer a website"
My technical bias is saying that static site should not make money but...
If you are rusty why don't you use no-code first.
You can either skip/do less on frontend or backend but not both, IMO.
Eg: if you are good with frontend like react you can use firebase/supabase/headless backend as the backend or if you know only backend either you can use templating engine for...