I'm new to indie hacking and want to spin up my ideas as quickly as possible. What would folks would recommend as the best tools to get all of the boilerplate features done as quickly as possible (landing page, auth, payments, etc) so I can focus on the core logic for my products?
Depends on your context skills and focus
There are no-code tools and group
And there are specific paid solutions
And there are do it yourself stuff like static site generators
As I wrote elsewhere I try to reduce to be able to focus, firebase does auth+reactive datastore for you plus some other things you can use, saves writing a backend for MVP
I use framework7 for PWA, and can compile apps for stores later, also saves me tons of UI work....
But that might depend on what your building and such
I used to hack on-top of WordPress, even due developers would cringe at the idea, why? Cause anything marketing has a plugin for it that could have been laveraged, so I'd write specific logic app pages, already have a db and anything standard would just be there or with plugins all pages are normal, can have a blog, SEO, CDN and such are plugins, url rewrites built it, anything that's common you just add a plugin, spam filter and honeypot a click away... You want a store with payment, click, ads? Click, import news from other sites? Click... IDK why people write so much crap from scratch, like IH is way too much not invented here
Check Frontendor for landing pages. It'll help you build a landing page by copy-paste without having to buy templates or using page builders.
Auth + Payement, etc:
Frameworks are enough (Laravel, Rails, etc).
I'm curating best startup tools for the task at StartupToolchain which could be of help to you.