Careful? Tired? Fatuous? Distracted? Old? I'm not sure about why I am slow, but I am.

It means he hasn't bought them yet. In one post, he offers to buy, in the other he offers to sell them. They are only 2 posts apart - I guess he hasn't bought the ones he wants to sell yet.

I want to BUY between 10k and 100k Mrai. I pay 290 Sat for every Mrai. If interested please contact me by PM.
(If you are in a hurry, do not trade with me, I'm slow)

then

I want to SELL between 10k and 100k Mrai, for 440 Sat for every Mrai. If interested please contact me by PM.
(If you are in a hurry, do not trade with me, I'm slow)

Buy = 290  Sell = 440 Nice profit of 150 sats if he can time it right.

Cut my (possible) profit, by making own offers. This is a free competitive market, which applies to human (in the sense of sustainable) rules.

The spread is the outcome for that nearly no other person is providing liquidity. If they would, the spread would become much smaller.

The problem is greed. Not my greed.

I want to SELL between 10k and 100k Mrai, for 390 Sat for every Mrai. If interested please contact me by PM.
(If you are in a hurry, do not trade with me, I'm slow)

My best price is 1 Sat for every Mrai.

if selling is working again I want to try selling again my 4k mrai for only 400 sat a piece. thanks.

Selling 10k mrai @350 buy it now!

Selling Mrai 200K Mrai @300 sat or offer your price

Install the newest version 7.5.0 with the seed from the backup, then it should work again.