This listing looks interesting. It need some due dilligence on these sites, but a bundle of tools sites is going to under $200:
https://flippa.com/11702336-30-premium-websites-for-sale-top-niches-emd-domains-tools-converters-usa-uk-aus-targets-ready-for-success
Check this search link to give you a list of the current open listings on Flippa for:
- Content sites (blogs)
- Less than 2 years old
- Less than $500
https://flippa.com/search?search_template=most_relevant&filter%5Bprice%5D%5Bmax%5D=500&filter%5Bage%5D%5Bmax%5D=24&filter%5Buniques_per_month%5D%5Bmin%5D=100&filter%5Bsale_method%5D=auction,classified&filter%5Bstatus%5D=open&filter%5Bproperty_type%5D=website&filter%5Bsitetype%5D=blog&filter%5Brevenue_generating%5D=T,F