It puzzles economists and certainly me that people often behave as if the value of their time is zero. This turns up in mysteries such as why people commute so far, why grandmothers make scarfs out of acrylic instead of wool yarn, etc.
A "couple days of work" could be 3 to 5, U.S. minimum wage is $7.25 an hour, and if you work 8 hours a day that is $174 to $290.
A real wage for a developer in the U.S. is probably 10x that. A company I worked for charged $2000-$3000 for a simple interactive web site, probably more like $20,000 for a serious application with a fair number of screens.
I rarely do "free trials" of products, particularly when I am working for somebody else. Giving a product a fair evaluation could be week or more of work, which won't pay off unless I buy the product. If I am working for someone else I have to not only convince myself but may also need to convince my boss, convince my boss's boss, ...
Similiarly I see all kinds of hand-wringing from people who are afraid that they are going to exceed the free tier on AWS and get a bill for $2.
I am a big fan of low code, I think the world still needs a web-based version of the old Microsoft Access. Why that doesn't exist is beyond me, but I will say (1) Firebase isn't it, and (2) whenever somebody does make one they seem to quickly get bought and shut down.